Question

find the L.C.M of the following numbers using prime factorisation method :- 63, 105 in maths
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Answer 1

Step-by-step explanation:

Prime factorization of 63 and 105 is (3 × 3 × 7) = 32 × 71 and (3 × 5 × 7) = 31 × 51 × 71 respectively. LCM of 63 and 105 can be obtained by multiplying prime factors raised to their respective highest power, i.e. 32 × 51 × 71 = 315.

Hence, the LCM of 63 and 105 by prime factorization is 315.