tables > repunit > 21

Base 21 Repunits

Table

Viewing: 715 – 715 << prev next >>

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

* 715: \[{21^{715}-1\over20}\] 5 × 79 × 131 × 881 × 2861 × 40841 × 120121 × 145861 × 189437 × 443431 × 516094151 × 5664205361<10> × 197647219771<12> × 2922334310611<13> × 17513875027111<14> × 270573999780463721<18> × 20374130317533602611<20> × 54598616218616435702441<23> × 713255542756934588000409316079479675200443737<45> × 47999819885150422820855221255204479443163906801765079421<56> × 3133215050775538159999253890862035621216929079706901880925831712192141277620814505531687549750066100763<103> × [16276675481147092426803131888494953704871043319591149609554375811798672509486271716405776340167316294617860401118014161149687033838436063908025826046629215047785511410006452643681536622916242645158419548249040230746966409355801997498904858745079689288166942153625196710043019915201018917935955753483099909318336993253266423521653616024715672020195026951546990056617881981866350639956296621711440707548987958436489690157310782465997991437625668862895064709009880676584087005910697752869154475681825493499331563459600775856167957881467877221999411734672965471979722244599714222478288178337441<590>]

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