Base 5 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 466: | \[{5^{466}-1\over4}\] | 2 × 3 × 467 × 1318781 × 412500871 × 29096873590481178947<20> × 208771951788632309319091684496790985222571<42> × 122893706196784651098718052024745515496783278694509<51> × 129763238102791965820002447228325506194347966293946269029<57> × 88858003695180908896843036018005968489510004954330625331679175649752804126803019842475515755925076634817265771552381731912343896807964928729<140> |