Base 8 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 438: | \[{8^{438}-1\over7}\] | 33 × 19 × 732 × 439 × 1753 × 3943 × 6571 × 2298041 × 10178663167<11> × 27265714183<11> × 9361973132609<13> × 5271393791658529<16> × 9070197542196643<16> × 671165898617413417<18> × 1795918038741070627<19> × 2762194134676763431<19> × 17543368071267913387<20> × 4815314615204347717321<22> × 3278244690156222434135906137<28> × 42185927552983763147431373719<29> × 229746997821806461949873523193<30> × 781335393705318202869110024684359759405179097<45> × 470185203187672012006568235896612104123775064532112813111803726113636470946841<78> |