Base 32 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 259: | \[{32^{259}-1\over31}\] | 71 × 127 × 223 × 2591 × 122921 × 287458921 × 616318177 × 2499285769 × 589131872988751<15> × 1587855697992791<16> × 7248808599285760001152755641<28> × 21234370960880098806027750185552713706866970578963970119<56> × 538884872975896824935518753181645895847433254086819914601555595975045851125530418117424773601197303091602465509614160529899301638791373013843250415122283666096119403696014239511649904932374802802088220189211003286038580431335441219031<234> |