Base 31 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 350: | \[{31^{350}-1\over30}\] | 25 × 52 × 11 × 41 × 71 × 101 × 701 × 1901 × 4951 × 11971 × 17351 × 21821 × 71821 × 224351 × 319061 × 757751 × 4726301 × 13277801 × 149269961 × 161408801 × 203633641 × 917087137 × 2418095051 × 20235942281002951<17> × 74770514303869505101<20> × 9240957640390889951861<22> × 60427990638165876546967231<26> × 33775584211871844736421714817378301699484684689901<50> × 91502426625510589592547533359706080563661406250335170247851<59> × 184264024441474386358438553752549849968905326483369584139740751<63> × 318975525275086157746431235895137421165578936667734338964405262757528371604145537608195585359028367982870789252427888448223400811358022281305987522282066951<156> |