Base 22 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| * 289: | \[{22^{289}-1\over21}\] | 239 × 74729519 × 3005734097 × 176634767651<12> × 5955820733013729989009<22> × [7692668333700369390986549826066475775585101975789217318521223549613183080271499647408774860661856217932281366424894608423616009538211381953216359983869788068353129209718624787073028694567302430380030821549124564607946523953425802940588110874710450056035329352607974398086292435794003217682280116818685335581112947132923846358172840097<334>] |