Base 23 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 159: | \[{23^{159}-1\over22}\] | 7 × 79 × 107 × 6871251977797<13> × 134515657106693<15> × 61190665486751483<17> × 368855554947780226306639<24> × 76614476156594621168268977128460059157<38> × 1572292284535161172784621719088310817947821549642953746269978916728748977625262744925729062917405994729027<106> |