Base 2 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 206: | \[2^{206}-1\] | 3 × 2550183799 × 415141630193<12> × 8142767081771726171<19> × 3976656429941438590393<22> |
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 206: | \[2^{206}-1\] | 3 × 2550183799 × 415141630193<12> × 8142767081771726171<19> × 3976656429941438590393<22> |