Base 2 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 923: | \[2^{923}-1\] | 1847 × 8191 × 228479 × 48544121 × 212885833 × 5619297841<10> × 7308406721600915975493042444655703398226218153777649<52> × 48333442036609258503727864007974313677260695993650511296767874530946959404195060290472930698433929290851981809033610906444151406024168255400789790820887392114978255633218574503478184221017<188> |