Base 31 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| * 368: | \[{31^{368}-1\over30}\] | 28 × 13 × 17 × 37 × 47 × 409 × 829 × 1129 × 59617 × 1509997 × 61562537 × 2408066513 × 25085030513<11> × 31301824241<11> × 45414448613<11> × 1487662250017<13> × 1955865713101<13> × 23856848059764277<17> × 7176374761323733117<19> × 174885889899626761577<21> × 293006379555093281221<21> × 1515842933140177198097<22> × 1836839958020962733249<22> × 265090457028751756568152582513<30> × 10763566930771147012087186194382117<35> × 70041456691391954651488935214334019188833<41> × 14181384954613632033239144547279636028218965236427294328541238964108281<71> × [6115414681163766230932805466496747312468594817838259946318994420103051741818962956464732900576167486604618505376101996600656424595791877415816057942433537<154>] |