Base 27 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| * 515: | \[{27^{515}-1\over26}\] | 112 × 1031 × 1237 × 4561 × 16069 × 335753221 × 545422081 × 13904017381<11> × 380580436480998841<18> × 841350198522912373705141<24> × 6957596529882152968992225251835887181478451547013<49> × 81390061154901040915047190963509493467072953179621<50> × 749335951439164525377086885547523308245903253216162065126714079755203786701196169473212913<90> × 265583586915553954689927748193653317513152426592838510814462459025354527744076607109173885844248007550245844534973452272001013120031<132> × [5256269830326824552484217345258163749261437455693133824459789314890818191564183067495871105754818405766134778751640144162262890659363866613232182516966063798785685002947064401463800546720238945720750519502331039780222259204152708424013312325504589581774681507596841120948454099384008171316126999856177607011043461033877437705096161<331>] |