MathDB
A PRODUCTive problem

Source: 2016 AIME II #8

March 17, 2016
AMCAIMEAIME II

Problem Statement

Find the number of sets {a,b,c}\{a,b,c\} of three distinct positive integers with the property that the product of a,b,a,b, and cc is equal to the product of 11,21,31,41,51,11,21,31,41,51, and 6161.