Current data
| k , b : |
13 , {{{Pb}}}
|
| Count : |
26
|
| Nash : |
920
|
| Max n : |
9,000,000
|
| Date : |
2021-04-01
|
|
| 2, 8, 10, 20[1], 28, 82, 188, 308, 316, 1000, 28280, 38008[2], 43856, 88018, 109258, 114296[3], 521306, 562456[4], 684560[5], 1038896, 1499876[6], 1861732[7], 4998362, 5523860[8], 6481780, 8989858
|
|
[[Category:Proth {{{Pb}}}|#.....00013]][[Category:Proth {{{Pb}}} Low-weight|#.....00013]]
Notes
- ↑ Is GF Divisor of F(18) [+8]
- ↑ Divides: GF(10,38005)
- ↑ Divides: F(114293), GF(5,114292), GF(10,114293)
- ↑ Divides: GF(5,562454)
- ↑ Divides: GF(10,684557), GF(6,684559)
- ↑ Divides: GF(3,1499875)
- ↑ Divides: GF(6,1861731)
- ↑ Is GF Divisor of F(5523858) [+6]
History
- 2021-04-01: Checked to n = 9000000, PrimeGrid Fermat Divisor Search
- 2020-03-10: Found n = 8989858, Ryan Propper
- 2020-03-09: Found n = 6481780, Ryan Propper
- 2020-01-22: Found n = 5523860, James Scott Brown, PrimeGrid Fermat Divisor Search, Official announcement
- 2014-07-15: Found n = 4998362, Mark Rodenkirch
- 2005-11-14: Found n = 1861732, Peter Grobstich
- 2004-12-30: Found n = 1499876, Peter Grobstich
- 2004-01-21: Found n = 1038896, Peter Grobstich
- 2003-07-01: Found n = 684560, Peter Grobstich
- 2003-06-10: Found n = 562456, Peter Grobstich
- 2003-05-14: Found n = 521306, Peter Grobstich
- 1995-08: Found n = 114296, Jeffrey Young
- 1995-08: Found n = 109258, Jeffrey Young
- 1995-08: Found n = 88018, Jeffrey Young
- 1993-05: Found n = 43856, Jeffrey Young
- 1992: Found n = 38008, Harvey Dubner
- 1992-10: Found n = 28280, Harvey Dubner
- 1886: Found n = 28, Paul Seelhoff
- 1886: Found n = 20, Paul Seelhoff
