Base 8 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 531: | \[{8^{531}-1\over7}\] | 73 × 1063 × 22303 × 179951 × 184081 × 262657 × 288236359 × 27989941729<11> × 196629322303<12> × 3203431780337<13> × 15888898944343<14> × 9213624084535989031<19> × 59785353215457224743<20> × 8099559410464120708848563721343<31> × 64835086810126708428197417798336316991<38> × 141093930454976860520344922916714400514320843109116075156672085428927786169480948227551467589333836554661584439399430642583051101609163535894304141060735312269410241899621156928312665722880091961696832409192323093171194066480286788105860267050429855850890261843636992416080586076818993022601<291> |