Base 7 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 274: | \[{7^{274}-1\over6}\] | 23 × 2741 × 28771 × 213721 × 251533 × 893081081 × 7448353120289<13> × 57162922399254002352124124899<29> × 65480203458464902965944539043<29> × 18142811321510255442702751468712154533804561<44> × 39213480458604069058947710599176081910752763949719264514948356742379491910256802109113659<89> |