Base 24 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| * 221: | \[{24^{221}-1\over23}\] | 53 × 307 × 6553 × 15913 × 6895253 × 120574031 × 49777507391<11> × 341563234253<12> × [192771069750118761491056576008076263195481414424252767338254279505038141875362748155126647469363790335555212047146592032209193770929489167427357570365401606771959270649339624871730203285397152634336790815288043832533329581434805362648296451965864411044311<255>] |