Base 31 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 96: | \[{31^{96}-1\over30}\] | 29 × 3 × 72 × 13 × 17 × 19 × 37 × 97 × 193 × 331 × 409 × 1129 × 1889 × 7393 × 922561 × 1347329 × 6139297 × 23277313 × 25085030513<11> × 852890113921<12> × 27333034608226177<17> × 7499207440683838894753<22> × 13567765732542221348764897<26> |