tables > repunit > 31

Base 31 Repunits

Table

Viewing: 515 – 515 << prev next >>

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

* 515: \[{31^{515}-1\over30}\] 5 × 11 × 619 × 7417 × 17351 × 88368851 × 1278383012006645095427<22> × 228852111433810636140979007219<30> × 3269732036867196542633009968685892492461<40> × 350095877602582444216618272982250341502313669637<48> × [289288160834263621279875232872869311534280854918915522445852196321163923986372799991305565379732795342385877435539875002311908050594791450396280375709153395354247703271135481891240736794119448350332661038731343221327289734067696402885923306463221275736588580172014477981739410305240827253789487748492349512681147717229045937707652738061327779009628835742806941007813360688746982470991837061350025078388821022995773362535947587903978244556671630589246448784958319024861534000844595763543419457762224807045878165731673889637161856962546091019216065101427897150868436723452573460950858990199456176227639225134721<609>]

Index range: 515 – 515 << prev next >>