Base 13 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 267: | \[{13^{267}-1\over12}\] | 3 × 61 × 179 × 9257 × 464047 × 1544949969625766500507<22> × 716164560927079240026189379811<30> × 97149593605438945916118967283170626506454157662777835870622857<62> × 14587780884092097005219931487160444142228645600351810673595910410436146724240786157560086791304808855423486887560556426718116817345184326374623969923428921188475502029629<170> |