Base 8 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 456: | \[{8^{456}-1\over7}\] | 33 × 5 × 13 × 17 × 192 × 37 × 73 × 109 × 229 × 241 × 433 × 457 × 571 × 1217 × 25309 × 32377 × 38737 × 90289 × 131101 × 148961 × 160969 × 174763 × 524287 × 525313 × 1212847 × 4598533 × 5675149 × 12407761 × 39291697 × 93507247 × 160465489 × 9036489073<10> × 275415303169<12> × 24517014940753<14> × 99463730244517<14> × 3042645634792541312037847<25> × 41435606371227835355919073<26> × 29034057164920993379000074993<29> × 19177458387940268116349766612211<32> × 1953842221288628908086845073520488081169<40> × 457594960770549429307629032418129101663403981811478872737381767947890503575214058529<84> |