Base 12 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 138: | \[{12^{138}-1\over11}\] | 7 × 13 × 19 × 47 × 139 × 157 × 277 × 829 × 8419 × 12421 × 22542577 × 129512587 × 39891250417<11> × 321218438243<12> × 49489630860836437<17> × 6279903241741823809<19> × 348670382471247108491803<24> × 44512779475648508632485424501<29> |