Base 2 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 903: | \[2^{903}-1\] | 72 × 127 × 337 × 431 × 9719 × 490631 × 514711 × 2099863 × 365505823711978039310711<24> × 11053036065049294753459639<26> × 20336952491372732458100553842885784919705927999<47> × 176679585609523570738390485300032226574636113551764802696858679290493248637975181698375345266071339451988060044492896355388096556042081983225060241<147> |