Base 31 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| * 375: | \[{31^{375}-1\over30}\] | 3 × 53 × 11 × 101 × 151 × 251 × 331 × 2521 × 3001 × 4951 × 17351 × 129001 × 4050751 × 12181751 × 13277801 × 327412201 × 54505514251<11> × 14644526340751<14> × 20235942281002951<17> × 997936488044528101<18> × 34869488656026169655830328179287001<35> × 3221875713010580184612256701786070501<37> × 2994938361626916310097900969699892125851<40> × 617544845080849356257013429212774138527171353455186666026135501<63> × [1929396349662085720806352665235084010714708595307731150809221949963884961664205749873415371310967673793193153671652384965055146932310313743868127173533711873973304716849831238722536110278799839475473585384476233564689114112045719144952987231915575683172851474574251<265>] |