Base 8 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 235: | \[{8^{235}-1\over7}\] | 31 × 151 × 2351 × 4513 × 13264529 × 2391314881 × 4375578271<10> × 72296287361<11> × 646675035253258729<18> × 157925605323676378629391<24> × 73202300395158005845473537146974751<35> × 6454295903181807686705031076998087633227206653740016465477084416462036051174980671394921<88> |