Base 22 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| * 561: | \[{22^{561}-1\over21}\] | 3 × 132 × 67 × 239 × 353 × 613 × 1123 × 22067 × 74729519 × 121758187 × 396574267 × 1176469537 × 176634767651<12> × 219131812923768779<18> × 5530862298437303257<19> × 13244234881568847619<20> × 29084130008763268099<20> × 485564174838252486973<21> × 914007889545727260352484774927415053224093041544447618941127372840149968210266650305789457372163017953630317040660009612832813589983702688838246929390987051601969148744638473<174> × [8845373467998347460906327569306926197353553336745669159200242879591362679246389713769527676998713009364915703356411689076961677935947502847317922090902978369126130071422568915179888991177557727160135538689599011251962115032456360893007065714689494776706010060916411509551062179815171336201033596736688440452962729133416664946953162855329705348067978360098895736803657104617867851289677874271966354513148775198782557451<418>] |