Base 2 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 269: | \[2^{269}-1\] | 13822297 × 68625988504811774259364670661552948915363901845035416371912463477873783063<74> |
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 269: | \[2^{269}-1\] | 13822297 × 68625988504811774259364670661552948915363901845035416371912463477873783063<74> |