Base 16 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 517: | \[{16^{517}-1\over15}\] | 23 × 89 × 283 × 397 × 683 × 2069 × 2113 × 2351 × 3761 × 4513 × 8273 × 49633 × 82721 × 220243 × 13264529 × 136624489 × 387348809 × 7484047069<10> × 80765938529<11> × 165768537521<12> × 140737471578113<15> × 635152101298808699<18> × 1292800939332382943<19> × 157093976216637466381<21> × 270374114136830957955241<24> × 9753919496830664355860441<25> × 419829077685710999814594461<27> × 12835703668024342289606276801<29> × 41941878936097554082013916913<29> × 1398877133990750181532404877513<31> × 60682137765692585638035411639241<32> × 26302895729179572365768002599674239<35> × 6733513069125713373469792264487998423347380827<46> × 5055472900700718446998992178766514487953008646383<49> × 116981028839457725370014628364443175640335225387573<51> × 1628456355410411547509613374150158051231656743052344513161858038422883778013<76> |