Base 13 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 59: | \[{13^{59}-1\over12}\] | 273997 × 5311771 × 30233706222041559662776806806113588758534692993333729<53> |
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 59: | \[{13^{59}-1\over12}\] | 273997 × 5311771 × 30233706222041559662776806806113588758534692993333729<53> |