Base 31 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 112: | \[{31^{112}-1\over30}\] | 28 × 13 × 17 × 29 × 37 × 113 × 409 × 1129 × 2129 × 7253 × 11971 × 13469 × 27329 × 71821 × 277739477 × 917087137 × 25085030513<11> × 3117962927633<13> × 36004683284137<14> × 152490484148901066281<21> × 2121734092665157406108976641321341571103440372921057<52> |