Base 23 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 170: | \[{23^{170}-1\over22}\] | 23 × 3 × 31 × 41 × 103 × 211 × 239 × 117539 × 292561 × 3441821 × 78267151 × 72992243971<11> × 464325697441<12> × 209209825938101<15> × 822450694563461<15> × 62246266355102810647<20> × 16162347219567526357165561<26> × 620136916371793898240542969807652684093441<42> × 26532130863679832678851899960345648950329357369142105501<56> |