Base 7 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 704: | \[{7^{704}-1\over6}\] | 28 × 52 × 17 × 23 × 89 × 353 × 661 × 1123 × 1201 × 1409 × 8713 × 169553 × 293459 × 7699649 × 10746341 × 42104833 × 134818753 × 47072139617<11> × 83960385389<11> × 209824040449<12> × 531968664833<12> × 2085729338353<13> × 8206973609150536446402438593<28> × 964510269858148990692302437887078593<36> × 406809506051618384400177067131926148165377<42> × 70791251810995075042206759186175502213980649089<47> × 19435028227333954653583028029666713381693181003335224017<56> × 45493637292816464852067014736571339792315419859784218076875841<62> × 241856301831338437537787898096062692359819543303619864074410382977<66> × 1643184774938122413442896727838243678012171716155015359387626042966739853361326634399706424861133828387597650692221131153628111276848001<136> |