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Suppose a and b are positive integers such that the units digit of a is 2, the units digit of b is 4, and the greatest common divisor of a and b is 8. What is the smallest possible value of the least common multiple of a and b?

 Dec 4, 2020
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Try this:

a = 24,   b = 32

GCD(24, 32) =8

LCM(24, 32) = 96

 Dec 4, 2020

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