Base 31 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 194: | \[{31^{194}-1\over30}\] | 25 × 4657 × 14551 × 51217 × 717169501 × 4406505331<10> × 410745219271559<15> × 116283302684682499<18> × 221919942973876941675375096852437<33> × 30659415876357956268132360096641321155619<41> × 12372817230444311573872645866104046378249477418408178679129943085048630543<74> × 498252357443610984486587128108460306016772917204379731665289404837261763100717<78> |