How to calculate (a! / b!) % mod

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How to calculate (a! / b!) % mod

Revision en1, by DonMichaelCorleone, 2016-05-09 12:28:25

How to calculate (a! / b!) % mod where n is 1<=n<=20000000, m is 1<=m<=n and mod is a positive integer ?

number theory, factorial, combinatorics, modular arithmetic

Revisions

	Rev.	Lang.	By	When	Δ	Comment
	en1		DonMichaelCorleone	2016-05-09 12:28:25	137	Initial revision (published)