Base 30 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| * 289: | \[{30^{289}-1\over29}\] | 103 × 409 × 197677 × 13745419 × 10570676926829627653<20> × 31347219316079103791<20> × [7025352773890229305931226787615187510375597004559114493869012137158471317818831470676564433346721437145234599132399863570549454709610850561398256083516468203377066724006708861332553196582976309705893558436370220520126545485145226494025621597965309988261570149707188997392250468697980970287922963845532262470283319690502037889133911660449398182405099960540663007356280097<370>] |