Base 14 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
* 656: | \[{14^{656}-1\over13}\] | 3 × 5 × 17 × 412 × 83 × 197 × 937 × 5167 × 5393 × 16097 × 1979317 × 4546081 × 86501473 × 95263009 × 117872082254721001<18> × 1848816684520172381645083<25> × 277693733351990509657630694287529909873<39> × 7538867501749984216983927242653776257689563451<46> × 208980800844545846858688886091442459664587704257351350955882098302353<69> × 449392337453516980957812622384308150135511329497640646212987816980849<69> × 469352142452016039907751589824282445189719976178466982230848080132158650793<75> × [1268627867684529889295671431718666371694561471246507486065211394698858872713112663263435603890073554624749830203009900766600309794523222630579781324291841928236260188747321069529200954414454761682566904466041413306882891882863865997585892787085805750274376238402067431995484584925545440384461582812241652175525791235411694451549947233900776548175887681493533921<361>] |