MathDB
2015-2016 Spring OMO #7

Source:

March 29, 2016
Online Math Open

Problem Statement

Compute the number of ordered quadruples of positive integers (a,b,c,d)(a,b,c,d) such that a!⋅b!⋅c!⋅d!=24!. a!\cdot b!\cdot c!\cdot d!=24!.
Proposed by Michael Kural
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