Base 23 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 197: | \[{23^{197}-1\over22}\] | 9030150410232713<16> × 48672377688371291<17> × 2552039898438897782997533899231<31> × 76628356536783246652831150797636949039303<41> × 9631778728303837392225452621394319244189977056763658911706574134867869877490516707992610208964609593778754868246933680507626412180995731567332613132280284613450339<163> |