Base 13 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 356: | \[{13^{356}-1\over12}\] | 22 × 5 × 7 × 17 × 179 × 6053 × 9257 × 21001153 × 929585777 × 2197020880176009487<19> × 410771620528283009753757952793<30> × 716164560927079240026189379811<30> × 1628623079213923119355588431034063622905709<43> × 5213778357457568130608412722105028066526967<43> × 97149593605438945916118967283170626506454157662777835870622857<62> × 1228533660571624786515965748847476890499946243406646517308573849227430078898327768037673428616148125274437363590048812196448283256643729402161<142> |