Base 6 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 644: | \[{6^{644}-1\over5}\] | 72 × 29 × 37 × 47 × 139 × 197 × 421 × 1933 × 3221 × 6073 × 10949 × 55987 × 231841 × 593447 × 2259889 × 5030761 × 9564781 × 113958101 × 990000731 × 2593505209 × 3091531661 × 7505944891<10> × 4762756207579441<16> × 128407494947883673<18> × 491787574454982121<18> × 3358586137753609961516447641418203949<37> × 403733622730561138499463252012494935013<39> × 8463428877114283334832841135980685094133787815940779201328511354558563105269202500000131<88> × 1163729367591649467685744840413230960762510956940023865585446297000446740135524484628385467335722467083074903870934122573919735046371188475017518799444255930777790431821235371793<178> |