Stats - the Is this prime? game

This page is updated at most once per minute. It was last updated at 2026-04-11T17:49:00+00:00.

You can download a dump of every attempt at the game in tab-separated values format: dump-2026-03-08.zip (137MB)

All-time stats

8246460 attempts

Reason for ending	Frequency
composite	4890005	59%
prime	3089706	37%
time	265318	3%

Final number	Reason for ending	Frequency
87	composite	945190	11.46%
51	composite	390047	4.73%
57	composite	386932	4.69%
39	composite	255490	3.1%
1	composite	252564	3.06%
63	composite	206194	2.5%
49	composite	202543	2.46%
69	composite	190075	2.3%
5	prime	188745	2.29%
27	composite	177623	2.15%
9	composite	177474	2.15%
59	prime	172610	2.09%
79	prime	164466	1.99%
67	prime	157289	1.91%
29	prime	154616	1.87%
47	prime	150825	1.83%
21	composite	148864	1.81%
61	prime	147497	1.79%
53	prime	146099	1.77%
77	composite	144882	1.76%

100 most recent attempts

Time finished	Time taken	Sequence	Final number	Reason for ending	Difficulty	Time allowed
2026-04-11 12:55:37	6.235	79	21	composite	1.02	60
2026-04-11 12:55:25	36.892	53,67,33,25,5,87,19,3,83,13,15,7,93,71,41,27,37,103,17,61,31,57,1,51,99,59,43,115	129	composite	1.02	60
2026-04-11 12:30:50	28.295	79,7,49,25,33,5,11,21,71,95,91,63,1,69,41,39	19	prime	1.02	60
2026-04-11 12:30:21	8.279	25,65,23,71,11,69,45	57	composite	1.02	60
2026-04-11 12:30:11	9.79	31,21,51,83,71,75,69	59	prime	1.02	60
2026-04-11 12:30:01	5.735	33,65,15,73,17	87	composite	1.02	60
2026-04-11 12:29:54	4.344	5,77,31,1	49	composite	1.02	60
2026-04-11 12:29:49	24.729	23,37,63,1,59,33,7,5,71,79,47	87	composite	1.02	60
2026-04-11 12:18:23	42.334	69,81,75,41,31,21,7,43,29,53,23,51,99,71,83,17	61	prime	1.02	60
2026-04-11 12:17:39	13.977	31,17,25,49,11,43,29	27	composite	1.02	60
2026-04-11 12:17:24	9.817	21,15,35,67,5,57	51	composite	1.02	60
2026-04-11 12:17:13	3.007	11,45	51	composite	1.02	60
2026-04-11 12:17:09	4.889	71,11,47,83	57	composite	1.02	60
2026-04-11 12:17:03	10.414	17,55,3,35	71	prime	1.02	60
2026-04-11 12:16:53	1.239		31	prime	1.02	60
2026-04-11 12:16:51	0.872		67	prime	1.02	60
2026-04-11 12:16:49	5.023	75,49,39,37	11	prime	1.02	60
2026-04-11 12:16:41	18.016	55,27,63,43,61,37,45,79,35,25,23,3,65,29,9	89	prime	1.02	60
2026-04-11 12:16:22	7.049	1,79,7,61	5	prime	1.02	60
2026-04-11 12:16:14	2.528		1	composite	1.02	60
2026-04-11 12:16:11	1.617	33	53	prime	1.02	60
2026-04-11 12:16:08	20.722	63,33,77,39,55,71,47,81,31,67,21	87	composite	1.02	60
2026-04-11 12:15:43	21.111	37,65,7,33,45,67,23,49,89,61	93	composite	1.02	60
2026-04-11 12:15:18	17.345	61,35,7,81,47	83	prime	1.02	60
2026-04-11 09:30:45	11	77,73,71,3,5,55,7	23	prime	1.02	60
2026-04-11 09:30:33	2.464	59	47	prime	1.02	60
2026-04-11 08:00:48	30.582	7,71,35,61,65,17,11,87,9,43,13,69,5,47,79,81,41,31,113,1,27,15,97,51,63,33,103,129,93,85,133	137	prime	1.02	60
2026-04-11 04:29:42	65.894		7	time	1.02	60
2026-04-11 04:28:33	30.334	41,17,61,31,77,71,33,3,45,75,9,83,59,87,57,55,37,11,107,19,89,7,99,109,5,1,111	129	composite	1.02	60
2026-04-11 04:28:01	0.647		39	composite	1.02	60
2026-04-11 04:28:00	7.96	79,33,7,9,27,63,29	59	prime	1.02	60
2026-04-11 04:27:51	1.013		47	prime	1.02	60
2026-04-11 04:27:50	0.526		15	composite	1.02	60
2026-04-11 04:27:48	17.776	45,17,47,11,29,5,65,67,51,15,7,93,19,55,79	89	prime	1.02	60
2026-04-11 04:27:29	17.449	69,21,27,55,67,87,23,41,25,61,63,11,33,79,15,81,35,109	71	prime	1.02	60
2026-04-11 04:27:12	0.116		17	prime	1.02	60
2026-04-11 04:27:12	0.115		17	prime	1.02	60
2026-04-11 04:27:11	0.125		11	prime	1.02	60
2026-04-11 04:27:11	0.213	77	5	prime	1.02	60
2026-04-11 04:27:11	0.108		61	prime	1.02	60
2026-04-11 04:27:10	0.21	63	11	prime	1.02	60
2026-04-11 04:27:10	0.236		59	prime	1.02	60
2026-04-11 04:27:10	0.093		17	prime	1.02	60
2026-04-11 04:27:10	0.204		71	prime	1.02	60
2026-04-11 04:27:09	0.421	15,33,1	53	prime	1.02	60
2026-04-11 04:27:09	0.099		37	prime	1.02	60
2026-04-11 04:27:09	0.112		13	prime	1.02	60
2026-04-11 04:27:08	0.138		17	prime	1.02	60
2026-04-11 04:27:08	0.109		37	prime	1.02	60
2026-04-11 04:27:08	0.186	57	43	prime	1.02	60
2026-04-11 04:27:07	2.073	9,77,65,25,27	43	prime	1.02	60
2026-04-11 04:27:07	0.145		67	prime	1.02	60
2026-04-11 04:27:04	0.883	43	25	composite	1.02	60
2026-04-11 04:27:01	15.224	15,59,49,21,85,7,83,87,73,3,45,43	89	prime	1.02	60
2026-04-11 04:26:45	1.86	41	5	prime	1.02	60
2026-04-11 04:26:43	7.359	45,61,5,15,21	59	prime	1.02	60
2026-04-11 04:26:35	8.593	49,51,17,65,29,37,27,1	3	prime	1.02	60
2026-04-11 04:26:24	15.469	27,21,41,15,1,69,19,65,35,9,91,63	89	prime	1.02	60
2026-04-11 04:26:07	4.692	23,65,61	39	composite	1.02	60
2026-04-11 04:25:30	37.604	9,1,3,83,23,13,69,51,63,17,65,77,53,11,71,45,107,109,95,79,49,15,43,105,47,35,29,115,37,133,131,111,135	91	composite	1.02	60
2026-04-11 04:24:50	22.968	37,19,47,29,51,79,11,67,21,77,41,3,45,87,63,23,61,101,35	9	composite	1.02	60
2026-04-11 04:24:26	3.64	73,9	45	composite	1.02	60
2026-04-11 04:24:21	7.074	31,25,77,13	71	prime	1.02	60
2026-04-11 04:18:41	60.094	75,19,79,31,81,87,45,49,73,55,13,15,35,29,11,69,109,3,107,53	67	time	1.02	60
2026-04-11 03:26:45	50.785	59,77,81,55,35,41,39,31,11,3,9,73,25,83,57,21,61,13	91	composite	1.02	60
2026-04-11 03:25:52	36.343	53,49,41,83,31,51,19,15,87,39,1,33,77	11	prime	1.02	60
2026-04-11 03:25:12	6.652	39,3	83	prime	1.02	60
2026-04-11 03:25:03	14.227	5	59	prime	1.02	60
2026-04-11 02:54:38	5.933	45,41,81,35,47	57	composite	1.02	60
2026-04-11 02:54:31	1.366		71	prime	1.02	60
2026-04-11 02:54:29	4.924	31,35,17,55	57	composite	1.02	60
2026-04-11 02:54:23	5.932	3,27	61	prime	1.02	60
2026-04-11 02:54:17	1.149		39	composite	1.02	60
2026-04-11 02:54:05	9.467	29,23,17,35,83,53	71	prime	1.02	60
2026-04-10 21:33:50	46.008	45,71,73,61,49,75,9,33,1,25,93,41,13,85,15,43,107,95,51,109,53,21,105,123,113,99,65,3,7,35,19,147	141	composite	1.02	60
2026-04-10 21:33:00	1.569		41	prime	1.02	60
2026-04-10 18:31:04	21.96	3,1,43,31,17,45,7,21,15,19,5,27,47,15,3,45,43,13,59,53	49	composite	1.02	1000
2026-04-10 18:30:38	48.991	1,1,13,9,17,19,43,33,31,21,29,27,3,55,37,53,21,57,5,59,29,15,9,47,33,3,71,67,39,45,31,49,13	69	composite	1.02	1000
2026-04-10 18:29:48	7.557	3,1,1,43	11	prime	1.02	1000
2026-04-10 18:29:39	15.424	3,1,33,9,17,27,43,35,25,41,49,39,19	55	composite	1.02	1000
2026-04-10 18:29:23	17.819	1,1,37,3,11,23,13,17,31,5,33,21,49,25,21,55,17,7,43	51	composite	1.02	1000
2026-04-10 18:29:04	17.872	1,1,41,9,45,23,13,43,7,37,35,21,33,23,53,57,15,39	47	prime	1.02	1000
2026-04-10 18:28:45	22.65	3,1,23,25,39,1,21,41,47,35,31,37,33,23,39,9,55,43	5	prime	1.02	1000
2026-04-10 18:28:21	12.646	1,1,5,9,31,11,27,45,41,49,7,39	51	composite	1.02	1000
2026-04-10 18:28:07	51.721	1,1,3,21,13,11,17,9,25,33,15,29,49,37,35,19,27,23,55,57,29,15,25,49,5,33,45,61,7,71,63,43,21,17,65,53	47	prime	1.02	1000
2026-04-10 18:26:58	12.59	1,1,33,11,13,27,17,43,9,37	5	prime	1.02	500
2026-04-10 18:26:45	30.088	3,1,11,25,9,17,31,5,27,13,33,49,35,19,37,49,21,3,7,35,33,65,31,13,17,47,67	69	composite	1.02	500
2026-04-10 18:26:21	5.721	37,31,61,35	57	composite	1.02	60
2026-04-10 18:26:15	2.112	43	77	composite	1.02	60
2026-04-10 18:26:14	3.571	3,1	27	composite	1.02	500
2026-04-10 18:26:12	2.192	23,27	39	composite	1.02	60
2026-04-10 18:26:09	21.002	1,1,3,35,37,19,31,13,7,33,47,43,29,9	51	composite	1.02	500
2026-04-10 18:26:09	3.481	43,17,9	25	composite	1.02	60
2026-04-10 18:26:05	2.843	7	23	prime	1.02	60
2026-04-10 18:26:02	0.323	13	33	composite	1.02	60
2026-04-10 18:26:02	0.313	5	63	composite	1.02	60
2026-04-10 18:26:01	0.33	31	63	composite	1.02	60
2026-04-10 18:26:01	0.154		1	composite	1.02	60
2026-04-10 18:26:00	0.153		49	composite	1.02	60
2026-04-10 18:26:00	0.302	29	65	composite	1.02	60

Time finished

Time taken

Sequence

Final number

Reason for ending

Difficulty

Max. number

Time allowed

2026-04-11 12:55:37

6.235

composite

1.02

2026-04-11 12:55:25

36.892

53,67,33,25,5,87,19,3,83,13,15,7,93,71,41,27,37,103,17,61,31,57,1,51,99,59,43,115

129

composite

1.02

2026-04-11 12:30:50

28.295

79,7,49,25,33,5,11,21,71,95,91,63,1,69,41,39

prime

1.02

2026-04-11 12:30:21

8.279

25,65,23,71,11,69,45

composite

1.02

2026-04-11 12:30:11

9.79

31,21,51,83,71,75,69

prime

1.02

2026-04-11 12:30:01

5.735

33,65,15,73,17

composite

1.02

2026-04-11 12:29:54

4.344

5,77,31,1

composite

1.02

2026-04-11 12:29:49

24.729

23,37,63,1,59,33,7,5,71,79,47

composite

1.02

2026-04-11 12:18:23

42.334

69,81,75,41,31,21,7,43,29,53,23,51,99,71,83,17

prime

1.02

2026-04-11 12:17:39

13.977

31,17,25,49,11,43,29

composite

1.02

2026-04-11 12:17:24

9.817

21,15,35,67,5,57

composite

1.02

2026-04-11 12:17:13

3.007

11,45

composite

1.02

2026-04-11 12:17:09

4.889

71,11,47,83

composite

1.02

2026-04-11 12:17:03

10.414

17,55,3,35

prime

1.02

2026-04-11 12:16:53

1.239

prime

1.02

2026-04-11 12:16:51

0.872

prime

1.02

2026-04-11 12:16:49

5.023

75,49,39,37

prime

1.02

2026-04-11 12:16:41

18.016

55,27,63,43,61,37,45,79,35,25,23,3,65,29,9

prime

1.02

2026-04-11 12:16:22

7.049

1,79,7,61

prime

1.02

2026-04-11 12:16:14

2.528

composite

1.02

2026-04-11 12:16:11

1.617

prime

1.02

2026-04-11 12:16:08

20.722

63,33,77,39,55,71,47,81,31,67,21

composite

1.02

2026-04-11 12:15:43

21.111

37,65,7,33,45,67,23,49,89,61

composite

1.02

2026-04-11 12:15:18

17.345

61,35,7,81,47

prime

1.02

2026-04-11 09:30:45

77,73,71,3,5,55,7

prime

1.02

2026-04-11 09:30:33

2.464

prime

1.02

2026-04-11 08:00:48

30.582

7,71,35,61,65,17,11,87,9,43,13,69,5,47,79,81,41,31,113,1,27,15,97,51,63,33,103,129,93,85,133

137

prime

1.02

2026-04-11 04:29:42

65.894

time

1.02

2026-04-11 04:28:33

30.334

41,17,61,31,77,71,33,3,45,75,9,83,59,87,57,55,37,11,107,19,89,7,99,109,5,1,111

129

composite

1.02

2026-04-11 04:28:01

0.647

composite

1.02

2026-04-11 04:28:00

7.96

79,33,7,9,27,63,29

prime

1.02

2026-04-11 04:27:51

1.013

prime

1.02

2026-04-11 04:27:50

0.526

composite

1.02

2026-04-11 04:27:48

17.776

45,17,47,11,29,5,65,67,51,15,7,93,19,55,79

prime

1.02

2026-04-11 04:27:29

17.449

69,21,27,55,67,87,23,41,25,61,63,11,33,79,15,81,35,109

prime

1.02

2026-04-11 04:27:12

0.116

prime

1.02

2026-04-11 04:27:12

0.115

prime

1.02

2026-04-11 04:27:11

0.125

prime

1.02

2026-04-11 04:27:11

0.213

prime

1.02

2026-04-11 04:27:11

0.108

prime

1.02

2026-04-11 04:27:10

0.21

prime

1.02

2026-04-11 04:27:10

0.236

prime

1.02

2026-04-11 04:27:10

0.093

prime

1.02

2026-04-11 04:27:10

0.204

prime

1.02

2026-04-11 04:27:09

0.421

15,33,1

prime

1.02

2026-04-11 04:27:09

0.099

prime

1.02

2026-04-11 04:27:09

0.112

prime

1.02

2026-04-11 04:27:08

0.138

prime

1.02

2026-04-11 04:27:08

0.109

prime

1.02

2026-04-11 04:27:08

0.186

prime

1.02

2026-04-11 04:27:07

2.073

9,77,65,25,27

prime

1.02

2026-04-11 04:27:07

0.145

prime

1.02

2026-04-11 04:27:04

0.883

composite

1.02

2026-04-11 04:27:01

15.224

15,59,49,21,85,7,83,87,73,3,45,43

prime

1.02

2026-04-11 04:26:45

1.86

prime

1.02

2026-04-11 04:26:43

7.359

45,61,5,15,21

prime

1.02

2026-04-11 04:26:35

8.593

49,51,17,65,29,37,27,1

prime

1.02

2026-04-11 04:26:24

15.469

27,21,41,15,1,69,19,65,35,9,91,63

prime

1.02

2026-04-11 04:26:07

4.692

23,65,61

composite

1.02

2026-04-11 04:25:30

37.604

9,1,3,83,23,13,69,51,63,17,65,77,53,11,71,45,107,109,95,79,49,15,43,105,47,35,29,115,37,133,131,111,135

composite

1.02

2026-04-11 04:24:50

22.968

37,19,47,29,51,79,11,67,21,77,41,3,45,87,63,23,61,101,35

composite

1.02

2026-04-11 04:24:26

3.64

73,9

composite

1.02

2026-04-11 04:24:21

7.074

31,25,77,13

prime

1.02

2026-04-11 04:18:41

60.094

75,19,79,31,81,87,45,49,73,55,13,15,35,29,11,69,109,3,107,53

time

1.02

2026-04-11 03:26:45

50.785

59,77,81,55,35,41,39,31,11,3,9,73,25,83,57,21,61,13

composite

1.02

2026-04-11 03:25:52

36.343

53,49,41,83,31,51,19,15,87,39,1,33,77

prime

1.02

2026-04-11 03:25:12

6.652

39,3

prime

1.02

2026-04-11 03:25:03

14.227

prime

1.02

2026-04-11 02:54:38

5.933

45,41,81,35,47

composite

1.02

2026-04-11 02:54:31

1.366

prime

1.02

2026-04-11 02:54:29

4.924

31,35,17,55

composite

1.02

2026-04-11 02:54:23

5.932

3,27

prime

1.02

2026-04-11 02:54:17

1.149

composite

1.02

2026-04-11 02:54:05

9.467

29,23,17,35,83,53

prime

1.02

2026-04-10 21:33:50

46.008

45,71,73,61,49,75,9,33,1,25,93,41,13,85,15,43,107,95,51,109,53,21,105,123,113,99,65,3,7,35,19,147

141

composite

1.02

2026-04-10 21:33:00

1.569

prime

1.02

2026-04-10 18:31:04

21.96

3,1,43,31,17,45,7,21,15,19,5,27,47,15,3,45,43,13,59,53

composite

1.02

1000

2026-04-10 18:30:38

48.991

1,1,13,9,17,19,43,33,31,21,29,27,3,55,37,53,21,57,5,59,29,15,9,47,33,3,71,67,39,45,31,49,13

composite

1.02

1000

2026-04-10 18:29:48

7.557

3,1,1,43

prime

1.02

1000

2026-04-10 18:29:39

15.424

3,1,33,9,17,27,43,35,25,41,49,39,19

composite

1.02

1000

2026-04-10 18:29:23

17.819

1,1,37,3,11,23,13,17,31,5,33,21,49,25,21,55,17,7,43

composite

1.02

1000

2026-04-10 18:29:04

17.872

1,1,41,9,45,23,13,43,7,37,35,21,33,23,53,57,15,39

prime

1.02

1000

2026-04-10 18:28:45

22.65

3,1,23,25,39,1,21,41,47,35,31,37,33,23,39,9,55,43

prime

1.02

1000

2026-04-10 18:28:21

12.646

1,1,5,9,31,11,27,45,41,49,7,39

composite

1.02

1000

2026-04-10 18:28:07

51.721

1,1,3,21,13,11,17,9,25,33,15,29,49,37,35,19,27,23,55,57,29,15,25,49,5,33,45,61,7,71,63,43,21,17,65,53

prime

1.02

1000

2026-04-10 18:26:58

12.59

1,1,33,11,13,27,17,43,9,37

prime

1.02

500

2026-04-10 18:26:45

30.088

3,1,11,25,9,17,31,5,27,13,33,49,35,19,37,49,21,3,7,35,33,65,31,13,17,47,67

composite

1.02

500

2026-04-10 18:26:21

5.721

37,31,61,35

composite

1.02

2026-04-10 18:26:15

2.112

composite

1.02

2026-04-10 18:26:14

3.571

3,1

composite

1.02

500

2026-04-10 18:26:12

2.192

23,27

composite

1.02

2026-04-10 18:26:09

21.002

1,1,3,35,37,19,31,13,7,33,47,43,29,9

composite

1.02

500

2026-04-10 18:26:09

3.481

43,17,9

composite

1.02

2026-04-10 18:26:05

2.843

prime

1.02

2026-04-10 18:26:02

0.323

composite

1.02

2026-04-10 18:26:02

0.313

composite

1.02

2026-04-10 18:26:01

0.33

composite

1.02

2026-04-10 18:26:01

0.154

composite

1.02

2026-04-10 18:26:00

0.153

composite

1.02

2026-04-10 18:26:00

0.302

composite

1.02

Stats for the "Is this prime?" game

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