Base 13 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 507: | \[{13^{507}-1\over12}\] | 3 × 53 × 61 × 79 × 677 × 1093 × 2029 × 4603 × 10141 × 21841 × 125737 × 264031 × 1803647 × 259460293 × 3221968439 × 6706043318287<13> × 57745124662681<14> × 329593885839544171<18> × 6355315297715156683<19> × 200764162484293733261<21> × 1538106641667167786224063<25> × 586814952741629335333029441607<30> × 1634033958628290257909586387439<31> × 9678439913990009887548497710458137<34> × 239585366205256084905541723882339448234993818878575701686813928799974012544413<78> × 52389091657756444014451634566383848538335291140052411843448860305066895496480862411430161<89> × 285994772561599691245945248088415710808412378642021595152807015188363218690849732222204590027062650200124743392240957216956969521505867<135> |