Base 22 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 187: | \[{22^{187}-1\over21}\] | 67 × 239 × 353 × 22067 × 74729519 × 1176469537 × 176634767651<12> × 219131812923768779<18> × 13244234881568847619<20> × 914007889545727260352484774927415053224093041544447618941127372840149968210266650305789457372163017953630317040660009612832813589983702688838246929390987051601969148744638473<174> |