Base 13 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| * 676: | \[{13^{676}-1\over12}\] | 22 × 5 × 7 × 17 × 53 × 677 × 4057 × 13417 × 20333 × 79301 × 264031 × 380329 × 1803647 × 3221968439 × 169937265889<12> × 200764162484293733261<21> × 1418792215861230619657<22> × 11612578037862305166521<23> × 586814952741629335333029441607<30> × 9678439913990009887548497710458137<34> × 239585366205256084905541723882339448234993818878575701686813928799974012544413<78> × 146878406495982950719461389035331776375606192165574587131734230527820272341184799755434906351408839274050310231902619788937650480548415974727473824770700810903807820223633<171> × [179932099549193187219696843523568394990021546376895778402507375777927027300301226982022873759595422657599671172617234796309777581851937859085724661630524836406913808555643195391225909237413983915580854309021696142867720774564004321980459881300991418696094428487982319685077285542833316192083444907657418717242784857<315>] |