Base 8 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 371: | \[{8^{371}-1\over7}\] | 7 × 127 × 337 × 743 × 2969 × 6361 × 6679 × 15583 × 51199 × 69431 × 13960201 × 20394401 × 540701761 × 63781899287<11> × 229890275929<12> × 204712366597949333831<21> × 2363026390394916673046830675466863<34> × 145980337155634444285232523876979318451464756266456641329<57> × 64116259840813614699980760575349371355703311586540367835792091469556582147354530544368306616998169034456205930673863455290761864339024209347948361<146> |