Base 30 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 67: | \[{30^{67}-1\over29}\] | 5897 × 104921197 × 26401568180223414517611257<26> × 1957050265641190278444689343367208059795495051128357202940887<61> |