Base 2 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 241: | \[2^{241}-1\] | 22000409 × 160619474372352289412737508720216839225805656328990879953332340439<66> |
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 241: | \[2^{241}-1\] | 22000409 × 160619474372352289412737508720216839225805656328990879953332340439<66> |