Base 7 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 524: | \[{7^{524}-1\over6}\] | 24 × 52 × 263 × 86461 × 4765781 × 1686923681 × 2168567189 × 17553405361133<14> × 22135549699993<14> × 13560715273664385557<20> × 1662960054431535335297500402289819722374556043280296929670416776752774953044651490048577245921<94> × 85053461164796801949539541639542805770666392330682673302530819774105141531698707146930307290253537320447270457<110> × 95647852669982920726450914114517692236205338725007348523884846512511548712631343358498442696674364749333595594731304266780134556223320679176367259900464681073<158> |