Base 31 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 276: | \[{31^{276}-1\over30}\] | 26 × 3 × 72 × 13 × 19 × 37 × 47 × 139 × 277 × 331 × 829 × 6073 × 7177 × 922561 × 1164859 × 1509997 × 61562537 × 117071611 × 21060989233<11> × 45414448613<11> × 1955865713101<13> × 23856848059764277<17> × 2553526979752336381<19> × 7176374761323733117<19> × 293006379555093281221<21> × 10763566930771147012087186194382117<35> × 975573640291548852951234645170717556781<39> × 605108647823401001709236169890011342691833949935122187<54> × 4153165712150515491483344088896941851780192620637520885854406525932378474999975856785646298263248569155853467977253<115> |