tables > repunit > 20

Base 20 Repunits

Table

Viewing: 715 – 715 << prev next >>

(available: 0-999)

Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>

* 715: \[{20^{715}-1\over19}\] 112 × 61 × 131 × 251 × 521 × 3121 × 3511 × 4421 × 90481 × 142559 × 461891 × 2209901 × 9690539 × 12019151 × 30806491 × 487395481 × 4470064171<10> × 1037966360861<13> × 10778947368421<14> × 144142570154831<15> × 89069400431539529<17> × 775261842394558091<18> × 2571413672161047121<19> × 4329520082233745656921<22> × 7215002452063123085941<22> × 821651084995160038985081<24> × 3208525217093951576503111<25> × 167103718909962607171187251<27> × 35990206967222156371667587832089524304326308981058127290969578110524231074711982724530429617137819<98> × [126747939198540404800258985689795580332357828182742336279807624760377731189477623510481479366410469655507260296914543669627515003229131729355943971733788872935217810762346109018466086793712768952621127133370029243649407564422959949028664931<240>] × [8004706253217221763571838446887138426679204507500800613154967795168673825835946497386639431900035478976488857866973773118561549964072554260274321476102843468747571999283641815603871957169729251242946992326317121747365511565086284134813869320116705065401737163409056379234736175551700107712447375331<298>]

Index range: 715 – 715 << prev next >>