Base 17 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
262: | \[{17^{262}-1\over16}\] | 2 × 32 × 263 × 240517 × 3890963 × 21389038861618019<17> × 81130014084498191<17> × 5283971850500516442811481975637169148847273508381511300997229844118510949240865189044927123165418251828704720236107<115> × 36705654247235339641455193236755070373260224062626643758058951204255793967401304642571232969455436113641049586841689181084276511163513402458984276636720387829<158> |