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Question
Find the H.C.F and L.C.M of 480 and 720 using the prime factorisation method.
Sum
Solution
480 = 25 × 3 × 5
720 = 24 × 32 × 5
L.C.M. (480, 720) = 25 × 32 × 5 = 1440
H.C.F. (480, 720) = 24 × 3 × 5 = 240
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