Base 32 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 247: | \[{32^{247}-1\over31}\] | 191 × 8191 × 15809 × 524287 × 420778751 × 20187566881<11> × 30327152671<11> × 6459570124697<13> × 145295143558111<15> × 402004106269663<15> × 1282816117617265060453496956212169<34> × 11961374462243472872450821823618071<35> × 986822524270259038029442856603131479017539061879143269693254643655298672729041882779930348203236386556952533811039037039080913267017370445522191492677572820689523704171765730528568482417454393256593030898071904893721<216> |