Base 23 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 51: | \[{23^{51}-1\over22}\] | 7 × 79 × 103 × 42331 × 62246266355102810647<20> × 849890089913739257948662758708499908691<39> |
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 51: | \[{23^{51}-1\over22}\] | 7 × 79 × 103 × 42331 × 62246266355102810647<20> × 849890089913739257948662758708499908691<39> |