Base 2 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 205: | \[2^{205}-1\] | 31 × 13367 × 2940521 × 164511353 × 70171342151<11> × 3655725065508797181674078959681<31> |
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 205: | \[2^{205}-1\] | 31 × 13367 × 2940521 × 164511353 × 70171342151<11> × 3655725065508797181674078959681<31> |