Base 2 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 947: | \[2^{947}-1\] | 295130657 × 25749931927<11> × 4621646208862937<16> × 11892980076500863942962129100776937<35> × 42473851340526147266826509993319628093194922290192667926440870920964574700349265985080009020182263507473<104> × 67051184308582949424821574393399302494429796682222222649491297904528668494149744674438169229263695832033422757289<113> |