LCM and HCF Practice Test 3

Question : 25 of 40

Marks: +1, -0

The HCF and LCM of two numbers are 71 and 1,704 respectively. Find how many such pairs are possible.

Solution:

Let the two numbers be 71x and 71y.

71x × 71y = 71 × 1,704

x × y = {71× 1,704}/{71 ×71}

x × y = 24

Possible pairs = (1, 24), (3, 8).

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