Base 5 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 385: | \[{5^{385}-1\over4}\] | 112 × 71 × 211 × 631 × 4201 × 19531 × 103511 × 511831 × 2471701 × 12207031 × 65628751 × 85280581 × 190295821 × 527093491 × 927476143441<12> × 8090594434231<13> × 134234460550630441<18> × 33411357084712191971<20> × 162715052426691233701<21> × 1067461802581278495846250192908016741836732696181<49> × 64440266419060297593927231583967276091233694866771034733715169851<65> |