Base 13 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 236: | \[{13^{236}-1\over12}\] | 22 × 5 × 7 × 17 × 709 × 3541 × 5783 × 115877 × 273997 × 5311771 × 118137589 × 3172190933 × 30233706222041559662776806806113588758534692993333729<53> × 6521936381117722253551175198473042077230030832125770878689819<61> × 15043532308043747640957387828119675278947965599767099278649492514855329785869096100189691549592579669<101> |