Base 19 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 402: | \[{19^{402}-1\over18}\] | 22 × 3 × 5 × 73 × 127 × 3217 × 5227 × 95920819 × 122641223 × 588518621 × 1060719211 × 1499065237 × 2315271967 × 1650922227287<13> × 47852968968481<14> × 24299939580826833879511<23> × 63229862060804371786692270707954983<35> × 111718923317519780739416742825495315326353<42> × 381342731267265292134313665147242334147321174879355379<54> × 13954462050273889499397024049403315849918192363694896345417462522419835566107441221512227053275966189535330454779273812513<122> × 7871756303258631470086501186749690675270836801076127742415211080269401589052840431630428895651257374083120727739409169477942467498229090583686400501<148> |