Base 13 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| * 605: | \[{13^{605}-1\over12}\] | 23 × 419 × 859 × 2861 × 18041 × 30941 × 44771 × 4911149 × 4161245903 × 294188120381<12> × 1368405847627633<16> × 13545148572117361<17> × 8603427927040724342317061<25> × 12222142455214504546059307061481052743675873813323465482112831346038181859632766076231652317<92> × [1036222668395153688167856632324528585923115702409813023734390780602152546417673214980018086836918705032479600606739762511684995902099933140072764395229063471079891369492169201712744636097725854037837528942626476118312797401953682019695423499019106895872808660407738501465740083275036864450146844294704475109510248423319776722316379163121041735737802028525311107509415355150503827537424413586317500176449932273405300966237461049053914038643207189391462312585065470517903762871<475>] |