Base 29 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 212: | \[{29^{212}-1\over28}\] | 22 × 3 × 5 × 107 × 421 × 10601 × 187091 × 4481256547855489<16> × 21296278837582886236074794813<29> × 102968016651034826283138186847<30> × 556182589916521166194657822607927744529469<42> × 10120576339526175442145754574584870487021411439410514339727583669257103<71> × 1285796246713449092826200882764866001828874030090166389367152339541120499555076215113388735301324553066136613<109> |