Base 15 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 422: | \[{15^{422}-1\over14}\] | 24 × 51907 × 118583 × 259531 × 1348477930455949<16> × 281234421103222248619<21> × 407829789814479865307270476681625284811512890727582217<54> × 141604230482886778703231027415837132352587313546826597728262255480689<69> × 30160932199051488553100734426184978729198379735436211956618715302271028429683<77> × 2526403294221866821610761507018065331479014733099916932656452626827884680501178869942593932428860783157599<106> × 34230305107665562337399479615994444191007595408760653608108397331650403111218855918349542304702587840173295589330994710745442860539753730191<140> |