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If GCD of two number is 8 and LCM is 144, then what is the second number if first number is 72?

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in Data Structures & Algorithms II by (89.2k points)
If GCD of two number is 8 and LCM is 144, then what is the second number if first number is 72?

(a) 24

(b) 2

(c) 3

(d) 16

I have been asked this question in my homework.

The doubt is from GCD LCM Recursion, in portion Recursion of Data Structures & Algorithms II

1 Answer

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Best answer
Correct answer is (d) 16

The explanation is: As A * B = GCD (A, B) * LCM (A, B). So B = (144 * 8)/72 = 16.

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