Base 5 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 511: | \[{5^{511}-1\over4}\] | 9199 × 19531 × 4853479 × 5729041 × 293492851 × 299523786589557811<18> × 9519524151770349914726200576714027279<37> × 209435258458812763347931094816987251132337225748763996966043082875583464349716233589067223649<93> × 425910315516035860218506115381959963554443653318229307421393241412861688333168613031433375743685156169579211515740382023721379464663164296918179152533107298634495907427114728062711<180> |