Base 2 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 172: | \[2^{172}-1\] | 3 × 5 × 173 × 431 × 9719 × 101653 × 500177 × 2099863 × 1759217765581<13> × 2932031007403<13> |
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 172: | \[2^{172}-1\] | 3 × 5 × 173 × 431 × 9719 × 101653 × 500177 × 2099863 × 1759217765581<13> × 2932031007403<13> |