Base 2 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 211: | \[2^{211}-1\] | 15193 × 60272956433838849161<20> × 3593875704495823757388199894268773153439<40> |
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 211: | \[2^{211}-1\] | 15193 × 60272956433838849161<20> × 3593875704495823757388199894268773153439<40> |