Base 4 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 903: | \[{4^{903}-1\over3}\] | 3 × 72 × 432 × 127 × 337 × 431 × 1033 × 5419 × 9719 × 490631 × 514711 × 2099863 × 5757529 × 7243867 × 1591582393 × 2932031007403<13> × 15686603697451<14> × 365505823711978039310711<24> × 11053036065049294753459639<26> × 378717376673487267097266291431316313<36> × 20336952491372732458100553842885784919705927999<47> × 250496677636134194455624482113419891241717626649461375803326671768162580233<75> × 2506321486314528092352155999323114076092619845896690021938437190408228542736515881788700058625478643849<103> × 176679585609523570738390485300032226574636113551764802696858679290493248637975181698375345266071339451988060044492896355388096556042081983225060241<147> |