Base 8 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 477: | \[{8^{477}-1\over7}\] | 73 × 6361 × 6679 × 25759 × 69431 × 94447 × 262657 × 973081 × 4879711 × 13960201 × 20394401 × 242003089 × 540701761 × 229890275929<12> × 1691845504865603430675449959<28> × 65586217086670450494078662927314573302495970658410743708933357885437868217<74> × 13670619330393303238367581393276841572298191208738278836659357656471235519773608048099704374456649378724542043519746789055328755095650639143993702124256252430048138464371965191269367845136364552840683155368051254911773634372775579149012114277041<245> |