Base 5 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 527: | \[{5^{527}-1\over4}\] | 409 × 1861 × 244529 × 9277309 × 37303169 × 466344409 × 625552508473588471<18> × 3028265485579580925792386250063400243923100220639973093308416595179620262986829789839816325216399298757198035886280885506212523310561085167523614248126924149596274958516360502154662145816919180921625964879233756216353371969082339094990267296575794406135507021073068188697601795393159204566065519755914786692668277669<316> |