Base 8 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 341: | \[{8^{341}-1\over7}\] | 23 × 89 × 599479 × 2147483647 × 105586579766713<15> × 658812288653553079<18> × 5560125493425335999<19> × 126901141805369975317583<24> × 91979404475310284038389763276277647<35> × 1444211137344578755413561460184550803276100931567<49> × 747349970567114000910522427763426786210995215401228005827561179027678089542524515823091997411995681051286345466243119007695904725201<132> |