Base 2 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 773: | \[2^{773}-1\] | 6864241 × 9461521 × 1165626988664823792549971253972697<34> × 101625278121114813541046756104385520302531369<45> × 3102804258869848876949115800490112967822146918598407<52> × 2081217395409749738120637593128893293724998629363299618099253558750779403590435098094313481<91> |