Base 31 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 135: | \[{31^{135}-1\over30}\] | 33 × 5 × 11 × 271 × 331 × 2521 × 3637 × 17351 × 63901 × 81343 × 106291 × 327412201 × 1344742561 × 50358897181<11> × 302533008751<12> × 1836205027201<13> × 126901881805771<15> × 337048683633480845467801<24> × 41572982762295483893808010501<29> × 280377166850713273629309325557934604953392483391<48> |