Base 5 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 655: | \[{5^{655}-1\over4}\] | 11 × 71 × 2621 × 14411 × 18341 × 592121 × 601291 × 23928199 × 34720241 × 51703081 × 2304799900471<13> × 16815642611861<14> × 799726387996561<15> × 9401087165312249425680125005501<31> × 18890996177400050445796057359872326454156186975971421<53> × 250805666433416532678429525124977090318975999001796354124089<60> × 1326621606661522333457219733883668093039881271483248096986376117707136491182497475724734857211689137681<103> × 1103437805259166931367275637728939231021700192729014628060985131795152772705624893363875003142595803189894839719794759702251<124> |