Base 16 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 473: | \[{16^{473}-1\over15}\] | 23 × 89 × 173 × 397 × 431 × 683 × 947 × 2113 × 9461 × 9719 × 101653 × 500177 × 2099863 × 8116681 × 12853303 × 1096710113137<13> × 1759217765581<13> × 2932031007403<13> × 133139883512681<15> × 4304613491867393<16> × 386299835479975297<18> × 4193551379485561391<19> × 35303956875887883008321<23> × 588073600518602649955549<24> × 32272871788802004477006473<26> × 1703616691469833244854254847<28> × 368596695116186434714529041561<30> × 2319326790833455848494271717419<31> × 1656356227982058657394041821129733144353123888780393<52> × 110790754439643451011977643288649104711084253377796092209089<60> × 5589268731817733787231040982654760345321756061873730705031153091309<67> × 52899658439525417701948935772779561657007926055578786642264995029713851<71> |