Base 22 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 374: | \[{22^{374}-1\over21}\] | 23 × 67 × 89 × 103 × 137 × 239 × 353 × 22067 × 7098521 × 74729519 × 128000923 × 1176469537 × 1594728827 × 176634767651<12> × 285451051007<12> × 219131812923768779<18> × 13244234881568847619<20> × 914007889545727260352484774927415053224093041544447618941127372840149968210266650305789457372163017953630317040660009612832813589983702688838246929390987051601969148744638473<174> × 9031631617826431917461047288665213809591643446644073059593389467580983626323985456563771999906303239688616636175125468959377534745040492869559317898296636582025634492736448059795866617989710568027399226092591<208> |