Base 12 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
139: | \[{12^{139}-1\over11}\] | 32830711631<11> × 149723271154501574581<21> × 13976446202665769757077661403698383112061728500003<50> × 1342252293639677786112433290408438740688955155541371153388457379745069<70> |