Wednesday, July 2, 2014

174: Factors and Multiples

Least Common Multiple and Greatest Common Factor

A, B, and C are positive integers.

Greatest Common Factor of A and B is 5
Greatest Common Factor of B and C is 2
Greatest Common Factor of C and A is 3
Least Common Multiple of A and B is 900
Least Common Multiple of B and C is 2100
Least Common Multiple of C and A is 630

What is A?

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