|
Primorial Primes, 1st Kind
Term: n# − 1 Total: 23 References: PrimeGrid • PrimePages |
|||||
| # | Number | Digits | When | Who | PrimePages − ID |
|---|---|---|---|---|---|
| 23 | 6533299# − 1 | 2835864 | Aug 2024 | Christian Wallbaum; MultiSieve/mtsieve; PrimeGrid; PRST; OpenPFGW | 138455 |
| 22 | 6354977# − 1 | 2758832 | Aug 2024 | Tom Greer; MultiSieve/mtsieve; PrimeGrid; PRST; OpenPFGW | 138411 |
| 21 | 4778027# − 1 | 2073926 | Aug 2024 | Kai Presler; MultiSieve/mtsieve; PrimeGrid; PRST; OpenPFGW | 138382 |
| 20 | 3267113# − 1 | 1418398 | Sep 2021 | James Winskill; FactorialPrimorial Sieves; PrimeGrid; OpenPFGW | 132758 |
| 19 | 1098133# − 1 | 476311 | Mar 2012 | James P. Burt; FactorialPrimorial Sieves; PrimeGrid; OpenPFGW | 105273 |
| 18 | 843301# − 1 | 365851 | Dec 2010 | Michał Gasewicz; FactorialPrimorial Sieves; PrimeGrid; OpenPFGW | 97061 |
| 17 | 15877# − 1 | 6845 | Dec 1992 | Chris Caldwell; Harvey Dubner; Dubner Cruncher | 21658 |
| 16 | 13033# − 1 | 5610 | Dec 1992 | Chris Caldwell; Harvey Dubner; Dubner Cruncher | 23403 |
| 15 | 6569# − 1 | 2811 | Dec 1992 | Harvey Dubner; Dubner Cruncher | 29992 |
| 14 | 4583# − 1 | 1953 | Dec 1992 | Harvey Dubner; Dubner Cruncher | 37447 |
| 13 | 4297# − 1 | 1844 | Dec 1992 | Harvey Dubner; Dubner Cruncher | 37739 |
| 12 | 4093# − 1 | 1750 | Oct 1992 | Chris Caldwell; Harvey Dubner; Dubner Cruncher | 38100 |
| 11 | 2377# − 1 | 1007 | Oct 1992 | Harvey Dubner; Dubner Cruncher | 56704 |
| 10 | 2053# − 1 | 866 | |||
| 9 | 1873# − 1 | 790 | |||
| 8 | 991# − 1 | 413 | |||
| 7 | 337# − 1 | 136 | |||
| 6 | 317# − 1 | 131 | |||
| 5 | 89# − 1 | 35 | |||
| 4 | 41# − 1 | 15 | |||
| 3 | 13# − 1 | 5 | |||
| 2 | 5# − 1 | 2 | |||
| 1 | 3# − 1 | 1 |
|
Primorial Primes, 2nd Kind
Term: n# + 1 Total: 27 References: PrimeGrid • PrimePages |
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| # | Number | Digits | When | Who | PrimePages − ID |
|---|---|---|---|---|---|
| 27 | 9562633# + 1 | 4151498 | Jun 2025 | Vaughan Davies; MultiSieve, PrimeGrid, PRST, OpenPFGW | 140909 |
| 26 | 7351117# + 1 | 3191401 | Sep 2024 | Bryan Little; MultiSieve/mtsieve; PrimeGrid; PRST; OpenPFGW | 138558 |
| 25 | 6369619# + 1 | 2765105 | Aug 2024 | Nick Merrylees; MultiSieve/mtsieve; PrimeGrid; PRST; OpenPFGW | 138406 |
| 24 | 5256037# + 1 | 2281955 | Aug 2024 | Itsuki Kadowaki; MultiSieve/mtsieve; PrimeGrid; PRST; OpenPFGW | 138394 |
| 23 | 4328927# + 1 | 1878843 | Jul 2024 | Kai Presler; MultiSieve/mtsieve; PrimeGrid; PRST; OpenPFGW | 138350 |
| 22 | 392113# + 1 | 169966 | Sep 2001 | Daniel Heuer; OpenPFGW | 65 |
| 21 | 366439# + 1 | 158936 | Aug 2001 | Daniel Heuer; OpenPFGW | 69 |
| 20 | 145823# + 1 | 63142 | May 2000 | Arlin E. Anderson; Donald Edward Robinson; OpenPFGW | 411 |
| 19 | 42209# + 1 | 18241 | May 1999 | Chris Caldwell; OpenPFGW | 10216 |
| 18 | 24029# + 1 | 10387 | Dec 1993 | Chris Caldwell; Dubner Cruncher | 17239 |
| 17 | 23801# + 1 | 10273 | Dec 1993 | Chris Caldwell; Dubner Cruncher | 17298 |
| 16 | 18523# + 1 | 8002 | 1989 | Harvey Dubner; Dubner Cruncher | 19513 |
| 15 | 13649# + 1 | 5862 | 1987 | Harvey Dubner; Dubner Cruncher | 23075 |
| 14 | 11549# + 1 | 4951 | 1986 | Harvey Dubner; Dubner Cruncher | 25578 |
| 13 | 4787# + 1 | 2038 | 1984 | Harvey Dubner; Dubner Cruncher | 35269 |
| 12 | 4547# + 1 | 1939 | 1984 | Harvey Dubner; Dubner Cruncher | 37490 |
| 11 | 3229# + 1 | 1368 | 1984 | Harvey Dubner; Dubner Cruncher | 40847 |
| 10 | 2657# + 1 | 1115 | 1981 | Joe P. Buhler; Richard E. Crandall; Michael A. Penk | 51704 |
| 9 | 1021# + 1 | 428 | |||
| 8 | 1019# + 1 | 425 | |||
| 7 | 379# + 1 | 154 | |||
| 6 | 31# + 1 | 12 | |||
| 5 | 11# + 1 | 4 | |||
| 4 | 7# + 1 | 3 | |||
| 3 | 5# + 1 | 2 | |||
| 2 | 3# + 1 | 1 | |||
| 1 | 2# + 1 | 1 |