Base 9 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
97: | \[{9^{97}-1\over8}\] | 76631 × 459991849 × 503803759819<12> × 2549755542947<13> × 20591603926857377806745611<26> × 48845962828028421155731228333<29> |