Base 8 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 425: | \[{8^{425}-1\over7}\] | 31 × 103 × 151 × 601 × 1801 × 2143 × 2551 × 11119 × 100801 × 106591 × 131071 × 949111 × 10567201 × 41355657751<11> × 9520972806333758431<19> × 4780601420529202899151<22> × 5702451577639775545838643151<28> × 10443388337470493382395059803087717465056821801<47> × 2069237502716464794985816105550982396339012259800336045348830659287429006970383760001800897298401<97> × 894134572878020778660597173890418978196990537917795444762073483875117053209359189463568558050896647500055251751<111> |