Base 31 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 126: | \[{31^{126}-1\over30}\] | 25 × 32 × 73 × 19 × 43 × 127 × 211 × 331 × 577 × 2143 × 3637 × 6301 × 11971 × 70309 × 71821 × 81343 × 1538083 × 917087137 × 75077698123<11> × 2813432694367<13> × 45376431752737<14> × 550469850411853<15> × 1652484831253806817<19> × 3041204060704443103<19> × 728921581954037396189325850537700569<36> |