Base 31 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 234: | \[{31^{234}-1\over30}\] | 25 × 32 × 72 × 19 × 792 × 157 × 331 × 577 × 3637 × 4447 × 13807 × 17863 × 39703 × 42407 × 81343 × 238213 × 1538083 × 2426789 × 2534689 × 7776289 × 7908811 × 21931507729<11> × 42716694944587<14> × 4618898267815261<16> × 903087677909176579<18> × 175500339130677572941801<24> × 17123370267331917425544180721<29> × 250630033376957433234617073114910871767<39> × 81382530347065881922481062710103556578538876467<47> × 348673230951446260771883379412341320615347347601103310801195979086277<69> |