Base 2 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 190: | \[2^{190}-1\] | 3 × 11 × 31 × 191 × 2281 × 174763 × 524287 × 420778751 × 30327152671<11> × 3011347479614249131<19> |
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 190: | \[2^{190}-1\] | 3 × 11 × 31 × 191 × 2281 × 174763 × 524287 × 420778751 × 30327152671<11> × 3011347479614249131<19> |