Problem I
Peculiar primes — Problem Statistics

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Submissions	1215
Accepted submissions	406
Submission ratio	33.42%
Authors	375
Full solves [?]	287
Full solve Ratio	76.53%

#	User	Runtime	Language	Date
1	Ivan Petrov	0.01 s	C	2019-09-02 15:59:47
2	Trần Tuấn Kiệt	0.01 s	C	2021-08-18 18:49:54
3	Alexander Bilde Pedersen	0.12 s	C	2024-12-27 02:53:10

#	User	Runtime	Language	Date
1	Oskar Werkelin Ahlin	0.01 s	C++	2011-09-28 17:45:34
2	Niklas Bäckström	0.01 s	C++	2011-09-28 18:10:11
3	Darryl Ho	0.01 s	C++	2015-09-29 12:22:42
4	Royal Jain	0.01 s	C++	2015-09-29 13:20:12
5	Asger Hautop Drewsen	0.01 s	C++	2016-01-28 11:01:07
6	Fredrik Präntare	0.01 s	C++	2016-04-11 15:50:33
7	Paul Jungeblut	0.01 s	C++	2016-05-13 11:04:01
8	Lam Gia Thuan	0.01 s	C++	2016-10-21 13:11:37
9	Viraj Maddur	0.01 s	C++	2017-10-18 17:55:25
10	Raynold Ng	0.01 s	C++	2018-04-22 15:57:11

#	User	Runtime	Language	Date
1	Birk Tjelmeland	0.06 s	Haskell	2018-10-30 18:05:53
2	Intrets	0.26 s	Haskell	2019-03-18 23:34:57
3	Brent Yorgey	1.10 s	Haskell	2020-05-12 15:38:57

#	User	Runtime	Language	Date
1	Sven Rönnbäck	0.11 s	Java	2022-03-27 14:11:51
2	Liam Keliher	0.12 s	Java	2016-04-18 07:00:06
3	Trần Công Duy	0.13 s	Java	2015-11-04 10:01:47
4	Finn Lidbetter	0.16 s	Java	2017-07-03 14:24:38
5	Luu Nhat Phi	0.17 s	Java	2015-11-04 09:38:22
6	Brian Lee	0.17 s	Java	2017-10-19 03:03:54
7	Bjørn Dons	0.17 s	Java	2019-03-14 19:20:15
8	Frank Ruskey	0.18 s	Java	2017-03-04 02:53:10
9	Shreyas Jamadagni	0.20 s	Java	2025-04-03 17:36:56
10	Sam Zheng	0.23 s	Java	2022-10-22 21:22:32

#	User	Runtime	Language	Date
1	Bjørn Chr. Soltvedt	1.12 s	JavaScript (Node.js)	2018-06-16 10:20:58

#	User	Runtime	Language	Date
1	Bjørn Chr. Soltvedt	2.16 s	JavaScript (SpiderMonkey)	2016-09-03 18:15:51

#	User	Runtime	Language	Date
1	Hidden user	0.48 s	Julia	2025-03-25 19:26:09
2	Timothy Gaede	0.79 s	Julia	2024-08-03 05:09:49

#	User	Runtime	Language	Date
1	Jacob Huebner	0.26 s	Kotlin	2021-04-23 00:05:11
2	Hidden user	0.84 s	Kotlin	2020-04-13 05:50:02

#	User	Runtime	Language	Date
1	Sigurður Jens Albertsson	0.13 s	Python 2	2018-02-21 23:08:22
2	Hidden user	0.13 s	Python 2	2018-10-04 22:45:53
3	Johan Lyts	0.16 s	Python 2	2019-04-10 14:30:43
4	Hidden user	0.21 s	Python 2	2017-04-13 19:07:20
5	Ethan Arnold	0.21 s	Python 2	2017-08-26 03:54:35
6	Andreas Björklund	0.28 s	Python 2	2020-09-08 06:19:04
7	Josenildo Silva	0.29 s	Python 2	2018-06-27 19:21:34
8	Lars Åström	0.31 s	Python 2	2019-10-30 15:15:40
9	Daniel Palmqvist	0.36 s	Python 2	2015-01-07 10:35:09
10	Andrew McGehee	0.85 s	Python 2	2018-10-23 01:05:14

#	User	Runtime	Language	Date
1	Colby Besso	0.09 s	Python 3	2026-02-01 19:33:38
2	Tejaswini Gude	0.12 s	Python 3	2026-01-30 19:20:28
3	Guan Yang Ze	0.14 s	Python 3	2021-01-27 19:05:10
4	Marcus Xu	0.18 s	Python 3	2023-02-05 18:18:10
5	Kelly Dance	0.19 s	Python 3	2022-09-28 23:50:06
6	Isaac Butler	0.19 s	Python 3	2026-01-29 17:41:06
7	Iman Khodadi	0.20 s	Python 3	2024-02-14 12:47:49
8	Alexandre Charland	0.22 s	Python 3	2025-11-13 15:25:01
9	Peter Stauder	0.23 s	Python 3	2023-04-23 19:42:26
10	Skills Nwokolo Anthony	0.25 s	Python 3	2026-02-02 16:34:32

#	User	Runtime	Language	Date
1	Hidden user	0.01 s	Rust	2021-10-15 13:27:16
2	Artur Khuziakhmetov	0.01 s	Rust	2022-07-07 20:06:10
3	Mathias Svensson	0.02 s	Rust	2019-09-30 17:08:06
4	Pahlevi Fikri Auliya	0.02 s	Rust	2021-03-15 23:17:48

#	User	Length	Language	Date
1	Ivan Petrov	868	C	2019-09-02 15:59:47
2	Trần Tuấn Kiệt	936	C	2021-08-18 18:49:54
3	Alexander Bilde Pedersen	10504	C	2024-12-27 02:53:10

#	User	Length	Language	Date
1	Herman Karlsson	581	C++	2015-12-07 23:57:45
2	Johan Sannemo	647	C++	2011-10-09 13:51:39
3	Johan Wind	665	C++	2019-04-01 17:47:51
4	พุฒิเศรษฐ์ him him him	669	C++	2024-02-10 14:27:29
5	Ana Bensabat	676	C++	2024-06-01 16:19:35
6	Hyunjun Lee	685	C++	2022-12-05 10:44:21
7	Jerome Leow	688	C++	2021-01-27 08:23:12
8	Jordi Rodríguez Manso	697	C++	2018-07-14 01:23:20
9	Nixon Widjaja	704	C++	2022-12-28 18:45:21
10	Trần Cảnh Nam	712	C++	2024-03-31 15:23:07

#	User	Length	Language	Date
1	Birk Tjelmeland	636	Haskell	2018-10-30 18:05:53
2	Brent Yorgey	777	Haskell	2020-05-12 15:40:28
3	Intrets	1120	Haskell	2019-03-18 23:33:02

#	User	Length	Language	Date
1	Alexandros Antonorsi	948	Java	2017-10-23 19:14:15
2	Adam Abdalla	1138	Java	2017-10-23 02:25:29
3	Corentin Simon	1150	Java	2016-04-08 16:51:16
4	Hau Tran Phuc	1163	Java	2015-11-04 09:23:41
5	Đàm Đức Duy	1163	Java	2015-11-04 09:37:01
6	Hunter Mullen	1262	Java	2025-03-03 05:39:11
7	Sam Reinehr	1280	Java	2017-10-14 19:25:33
8	Lucas Scharenbroch	1335	Java	2022-11-06 20:40:48
9	Crystal Sharpe	1380	Java	2020-12-15 08:17:28
10	Micah Stairs	1384	Java	2016-10-27 20:53:27

#	User	Length	Language	Date
1	Bjørn Chr. Soltvedt	1717	JavaScript (Node.js)	2018-06-16 10:20:58

#	User	Length	Language	Date
1	Bjørn Chr. Soltvedt	1474	JavaScript (SpiderMonkey)	2018-06-16 10:22:24

#	User	Length	Language	Date
1	Hidden user	259	Julia	2025-03-25 19:35:49
2	Timothy Gaede	1761	Julia	2024-08-03 05:09:49

#	User	Length	Language	Date
1	Jacob Huebner	982	Kotlin	2021-04-23 00:05:11
2	Hidden user	1810	Kotlin	2020-04-13 05:50:02

#	User	Length	Language	Date
1	Andreas Björklund	467	Python 2	2020-09-08 06:19:04
2	Hidden user	490	Python 2	2018-10-04 22:45:53
3	Lars Åström	505	Python 2	2019-10-30 15:15:40
4	Ethan Arnold	545	Python 2	2017-08-26 03:54:35
5	Johan Lyts	660	Python 2	2019-04-10 14:30:43
6	Hidden user	773	Python 2	2017-04-13 19:07:20
7	Andrew McGehee	879	Python 2	2018-10-23 01:05:14
8	Josenildo Silva	1072	Python 2	2018-06-27 19:21:34
9	Sigurður Jens Albertsson	1235	Python 2	2018-02-21 23:08:22
10	Daniel Palmqvist	1291	Python 2	2015-01-07 10:35:09

#	User	Length	Language	Date
1	David Llorens	242	Python 3	2026-03-07 16:43:32
2	Prakhar Gandhi	339	Python 3	2023-09-11 10:25:58
3	Omair Syed	349	Python 3	2023-11-29 20:35:08
4	Nicholas Russell Saerang	356	Python 3	2023-07-28 09:49:06
5	Oskar Haarklou Veileborg	375	Python 3	2020-07-03 12:39:54
6	Kelly Dance	403	Python 3	2022-09-28 23:50:06
7	Alexandre Charland	420	Python 3	2025-11-13 15:25:01
8	Jonathan Cederlund	445	Python 3	2022-11-05 19:26:02
9	Marcus Xu	455	Python 3	2023-02-05 18:18:10
10	Hidden user	457	Python 3	2022-04-04 09:07:09

#	User	Length	Language	Date
1	Artur Khuziakhmetov	1485	Rust	2022-07-07 21:38:51
2	Mathias Svensson	1530	Rust	2019-09-30 17:08:06
3	Hidden user	1807	Rust	2021-10-15 13:27:16
4	Pahlevi Fikri Auliya	2626	Rust	2021-03-15 23:17:48

Solution running time distribution