| Currently there may be errors shown on top of a page, because of a missing Wiki update (PHP version and extension DPL3). |
Navigation
| Topics | Help • Register • News • History • How to • Sequences statistics • Template prototypes |
Difference between revisions of "Generalized Fermat number 2 1 15"
(new) |
m |
||
| Line 8: | Line 8: | ||
579,21 | 579,21 | ||
17753925353,17 | 17753925353,17 | ||
| − | + | 1287603889690528658928101555,17 | |
C9808,1100000000020352493 | C9808,1100000000020352493 | ||
|GFNState=CF | |GFNState=CF | ||
|GFNRemarks=1997 proven composite by Richard P. Brent | |GFNRemarks=1997 proven composite by Richard P. Brent | ||
}} | }} | ||
Latest revision as of 08:40, 16 September 2021
Current data
|
Remarks : |
1997 proven composite by Richard P. Brent |
Factors
- Proth 579•221+1 (GF Divisor), found 1925 by Maurice Kraitchik
- Proth 17753925353•217+1 (GF Divisor), found 1987-08-04 by Gary B. Gostin
- Proth 1287603889690528658928101555•217+1 (GF Divisor), found 1997-07-03 by Richard E. Crandall, Christopher van Halewyn
- Composite C<9808>
Factorization
1214251009<10> * 2327042503868417<16> * 168768817029516972383024127016961<33> * C<9808>
