Base 12 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 305: | \[{12^{305}-1\over11}\] | 22621 × 1178521 × 1706293 × 1000831393 × 35995548461449237368649937465097120608531155491049<50> × 7841062404451158332763150902782305772646285063675158649811689433977953917232800022665969126116150945776822006000512711208936140096370040467266433147780717169062228691116978299122680941980837283605566631667923522067753258093231762126529541948376334523581<253> |