Base 13 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| * 715: | \[{13^{715}-1\over12}\] | 23 × 53 × 131 × 419 × 859 × 1171 × 2861 × 18041 × 30941 × 127271 × 156131 × 264031 × 1803647 × 52667000101<11> × 133419712999<12> × 140748861026489<15> × 13545148572117361<17> × 34436567931553789<17> × 39826785573214737241<20> × 71442881968439190301<20> × 158943831041162255277151<24> × 8603427927040724342317061<25> × 422385642452919347685571782874181<33> × 3998259837097900188695659311992063431399<40> × [966000983808213486801013895746110611365885782706963721810196820289588766529193852789793492088800532818047278557150259027785005826806042532722943573498447131773184209189105420303459188781783972333065535524722696015057986776394048892443780373659119624851<252>] × 824754012114821801429490550563253095328468212540573081478805163316464709467699566688453038995528702386628939282394618895318071203676097038380184912062933514844216191533808517254600833078579809397657817712639327195813426565540834129971105349730738240058669641406036841<267> |