Base 5 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 855: | \[{5^{855}-1\over4}\] | 11 × 192 × 31 × 71 × 181 × 191 × 571 × 829 × 1171 × 1741 × 2851 × 6271 × 30211 × 169831 × 227431 × 3981071 × 4113691 × 297315901 × 260930841421<12> × 1245576402371959291<19> × 9581918519281271232331<22> × 11600321878916922053491<23> × 11735415506748076408140121<26> × 1554246690784409607115661081503201<34> × 9438797532811279585143365523975961<34> × 92757923249442703145312616943985191<35> × 133132985925247870826107995408906787732115039491<48> × 243895673183284394993995042031122838591302896858889919581<57> × 29279767389963944149986328770810652642323537932397766795544349601<65> × 160886188043803054530871719304783265100827282810075925369403839312088918579<75> × 398125050272696408116805062775162866160176200195402641831625671922426845140435591570801<87> |