Base 13 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 286: | \[{13^{286}-1\over12}\] | 2 × 7 × 23 × 53 × 419 × 859 × 8009 × 13417 × 18041 × 20333 × 79301 × 120121 × 264031 × 1803647 × 64050562577<11> × 128011456717<12> × 133419712999<12> × 140748861026489<15> × 34436567931553789<17> × 39826785573214737241<20> × 26955750986564813756380111933<29> × 422385642452919347685571782874181<33> × 3998259837097900188695659311992063431399<40> × 30550290417769140871696654238260094416331076342968053853544491625001880172607366459189<86> |