Base 2 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 791: | \[2^{791}-1\] | 127 × 1583 × 3391 × 23279 × 65993 × 1868569 × 7920714887<10> × 1066818132868207<16> × 2549280727345379556480596752292189634269829765250993670402549042422649<70> × 308937324356797061594697382590145196236665722718202195840743447445817896778913944687997002267023826460611132581755004799<120> |