Question

find the lcm and hcf of 15 and 45.Verify that lcm into hcf = product of the numbers solution

Answer 1

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Step-by-step explanation:

Prime factorization of 15 and 45 is (3 × 5)

= 31 × 51 and (3 × 3 × 5)

= 32 × 51 respectively.

LCM of 15 and 45 can be obtained by multiplying prime factors raised to their respective highest power, i.e. 32 × 51 = 45.

Hence,

the LCM of 15 and 45 by prime factorization is 45.