Base 20 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
* 333: | \[{20^{333}-1\over19}\] | 421 × 65269 × 64008001 × 2889957151 × 8752205701<10> × 40600782778641592009<20> × 12267003246584173438540069<26> × 383493384240205993228059557962159<33> × 768714606845763128001167284536739<33> × 1308514405886612547744551147295266719<37> × 143759993025672204517453984936257853699831<42> × [749532154337394293666433766791948758306191607310695814572131069404819717884921010608723305690188239231076156027266693870739148680008406210485169799751974666155237910245036216535292359972721488121836490825360791<210>] |