Base 8 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 354: | \[{8^{354}-1\over7}\] | 33 × 19 × 73 × 1063 × 2833 × 13099 × 37171 × 179951 × 184081 × 288236359 × 1824726041 × 27989941729<11> × 196629322303<12> × 3203431780337<13> × 4453762543897<13> × 15888898944343<14> × 1898685496465999273<19> × 9213624084535989031<19> × 47065603823663026660218883<26> × 8099559410464120708848563721343<31> × 64835086810126708428197417798336316991<38> × 13678547238068571937955837583514271783408098794862972195988647588740138073285123<80> |