Base 2 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 853: | \[2^{853}-1\] | 2065711807 × 513740645819473<15> × 4727997228805279065233<22> × 18449450106982911477871034430148217716695646282266064204205488745738888010789289<80> × 648801734928992181954492950048776053904043590857435580244330431351954368045897625283526231577834810740001303595136354980914181128313<132> |