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The greatest common divisor of positive integers m and n is 8. The least common multiple of m and n is 120. What is the least possible value of m+n?

 Oct 4, 2021
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8 = 2^3

120 = 2^3 * 3 * 5

 

m=2^3  x  3 ==24

n ==2^3  x  5 ==40

 

m+n ==24 + 40 ==64

 Oct 5, 2021
edited by Guest  Oct 5, 2021

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