Base 6 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 556: | \[{6^{556}-1\over5}\] | 7 × 37 × 557 × 21407 × 128159 × 1561232989 × 478404033683<12> × 190499431829426403200101169876785677642490596937278842226897447732472637176807419519306808486559<96> × 434641239506340074168962702745282290778770859506201434785502786008976827342013029086051111724237<96> × 36675679020167533043858619821909976477104813666876836509502490008052475696882754102398936087485841653311138917532731639492170824535667134063941490312041001597613412405401870634258965957952869551283663009169<206> |