Base 7 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 658: | \[{7^{658}-1\over6}\] | 23 × 29 × 113 × 659 × 911 × 2633 × 4733 × 92779 × 19384636573<11> × 1714104805001<13> × 13722816749522711<17> × 63681511996418550459487<23> × 655417289594537954307682339857743931943<39> × 140082046579851160068159291357755956880025866163794353197141849668256131728414090863074553329011286773<102> × 13749772461004425111203179773331321128112017469863375270022695103034065149004498912831678964830780873139729982133<113> × 2966226150550640264105952947390160732266217695830635951462469222634281267917700553829363288031356928634340553212804730836511311764441460394553710646169290275772733260836395130546675122066047171328830326841817575249958461<220> |