Base 6 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 415: | \[{6^{415}-1\over5}\] | 5 × 167 × 311 × 499 × 17597 × 24071 × 41580677 × 80781507941<11> × 605274844997<12> × 184218422342711<15> × 2589238104153304205575487<25> × 211910698336697951137460118042660571421<39> × 3333605456452402381228509474043950420937637792405993895597753730421<67> × 455607077087114836474028084801157202625805372603444696463226443489475441731139032300734584297581240732383360599396349483598089548251<132> |