Base 29 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 217: | \[{29^{217}-1\over28}\] | 7 × 36767 × 9298451 × 88009573 × 15294622838198819<17> × 9874271487156379661<19> × 5767343177672913582649<22> × 137145934026139645822087<24> × 310819452055406288436603050279301694754931914089339160794685809312318139182903684996400999556536815092994367091219640706676969311743903379601215510880308573741263122709620162265304002495372499848367123469191433177559<216> |