Base 8 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 400: | \[{8^{400}-1\over7}\] | 32 × 53 × 11 × 13 × 17 × 31 × 41 × 61 × 97 × 101 × 151 × 241 × 251 × 257 × 331 × 401 × 601 × 673 × 1201 × 1321 × 1601 × 1801 × 4051 × 4801 × 8101 × 25601 × 55201 × 61681 × 63901 × 100801 × 268501 × 340801 × 2787601 × 10567201 × 13334701 × 82471201 × 394783681 × 1182468601 × 3173389601 × 4278255361 × 4562284561<10> × 46908728641<11> × 1133836730401<13> × 432363203127002885506543172618401<33> × 1461503031127477825099979369543473122548042956801<49> × 8059720126266442627050052102446681278605043839701907629253987599434464819580116421853601<88> |