Base 31 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| * 369: | \[{31^{369}-1\over30}\] | 32 × 83 × 331 × 739 × 2953 × 3637 × 81343 × 132103 × 1498141 × 86052495476229194359<20> × 42481797154433176612759<23> × 2295706886892491087182968258121<31> × 132259604354473376342663326676479453<36> × 131570024720631652108242182219574204219293090070137262019264567691804717046030582652460243523043658514798724836661<114> × [148351338809517389537205472607158070239623314215440293016861731336700753207538596236552037301030030015398787384032073741616155258058920412739065916152750805111465048374952840513258857473974306239576567954656530170903483225051190882367006270316333681858094254436011290296199642055240601852346080859<297>] |