Base 17 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
123: | \[{17^{123}-1\over16}\] | 83 × 307 × 188437 × 892079 × 13365673 × 960217114820653<15> × 18469031047049514697<20> × 19758253332426413381871517<26> × 68985600109554787200688819419812904447395655170097140286323038827169<68> |