Base 31 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 270: | \[{31^{270}-1\over30}\] | 25 × 33 × 5 × 72 × 11 × 19 × 41 × 109 × 163 × 271 × 331 × 541 × 577 × 2521 × 3637 × 6427 × 17351 × 21821 × 63901 × 81343 × 106291 × 1538083 × 2065411 × 18880993 × 58765501 × 327412201 × 599329963 × 1344742561 × 50358897181<11> × 302533008751<12> × 880374069121<12> × 1836205027201<13> × 5730470449021<13> × 126901881805771<15> × 337048683633480845467801<24> × 41572982762295483893808010501<29> × 300392264044249601502733598251<30> × 280377166850713273629309325557934604953392483391<48> × 709135514066872716844936829975214286079399391243388274683105677510638287511203265763961<87> |