Base 31 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
123: | \[{31^{123}-1\over30}\] | 3 × 83 × 331 × 1498141 × 42481797154433176612759<23> × 132259604354473376342663326676479453<36> × 131570024720631652108242182219574204219293090070137262019264567691804717046030582652460243523043658514798724836661<114> |