Base 26 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 138: | \[{26^{138}-1\over25}\] | 34 × 7 × 19 × 31 × 37 × 47 × 139 × 13709 × 1086199 × 1157729 × 378673381 × 1528507873 × 10706943763<11> × 615551139461<12> × 629584013567417<15> × 126623028415398297752060210734767663325839552673843<51> × 174509342263274926909302971286445250233741884626422526380895551<63> |