Base 13 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| * 339: | \[{13^{339}-1\over12}\] | 3 × 61 × 1583 × 5651 × 878011 × 114025363 × 32791558177045243<17> × 610390929139681381<18> × 239460328528829854840242949<27> × 61349337746986017722692725938501380826299213257649660983422349704788968522764032871952828460266300559135616999<110> × [732222172787609485274151893339101114962173330064981416414236019407116426243901508524640156630106939581250428903002693155484921049177554462191081739194795784520777488709913231542690353<183>] |