Base 5 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 625: | \[{5^{625}-1\over4}\] | 11 × 71 × 101 × 251 × 401 × 3597751 × 9384251 × 28707251 × 1122853751 × 4032808198751<13> × 767186663625251<15> × 637043435256965381251<21> × 887918028727761332501<21> × 24687045214139234043375683501<29> × 9771453398198096605505142525470046444464185486051283000514452163214571683180604363207282390582217746166629064714134568410948395942501<133> × 4922411195881951112836657560573314347430309727071416148840504292467525805912227131775864447379287572550073462176841728576502325113398898781026805269413123969035740001<166> |