Base 12 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 172: | \[{12^{172}-1\over11}\] | 5 × 13 × 29 × 173 × 431 × 71209 × 195049 × 12313309 × 372060253 × 1260760517 × 10273420681<11> × 13444466603<11> × 247819688992536197<18> × 7177727914895266742809<22> × 881572852017880141483757<24> × 32359758358562524963364461<26> × 478633080942750137752934449682953<33> |