Base 8 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 310: | \[{8^{310}-1\over7}\] | 32 × 11 × 312 × 151 × 311 × 331 × 2791 × 11161 × 11471 × 26041 × 73471 × 103231 × 316201 × 364831561 × 529510939 × 715827883 × 2147483647 × 2903110321 × 4649919401<10> × 18158209813151<14> × 5947603221397891<16> × 29126056043168521<17> × 658812288653553079<18> × 454880828193476858296067961247991575807852441367281771<54> × 10396616065733554034660553056477704365402928208212077833242118911<65> |