Base 8 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 454: | \[{8^{454}-1\over7}\] | 32 × 297371 × 4419691 × 4010501617 × 26986333437777017<17> × 3454631579714210387<19> × 962744903648208108713898832235090314894033<42> × 69982170658265444713117545258712031103399659<44> × 7992177738205979626491506950867720953545660121688631<52> × 2108728466430066008721288692506415323467900073343968942243<58> × 414844668701390437033452127726218978205480862311554062592178939<63> × 6902537314868528928592064072776405259752901898281447036002004855019689272630142411673519100423<94> |