Base 16 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 515: | \[{16^{515}-1\over15}\] | 5 × 11 × 31 × 41 × 1031 × 18541 × 41201 × 989831 × 17325013 × 520379897 × 2550183799 × 59411261081<11> × 415141630193<12> × 408249548543821<15> × 432147886392149801<18> × 473000157711296729<18> × 8142767081771726171<19> × 3976656429941438590393<22> × 117070097457656623005977<24> × 371340429816536026068221<24> × 48111154791914771769582354405627641<35> × 960954217134424245898328814050043401<36> × 1925631536827398342750945451754630611<37> × 10378785997959707787746618479652152430027101880522681<53> × 347915763440394715608132793485938330295552666256070916974339749248185891333591<78> × 1607569388966597843997370770645103370113860932610551593287445581936934860112708741<82> × 4703926977279374565197888130749239443491820058201589517278230851784639293914375180705738625581<94> |