Question

prime factorization method for 672 and 120​

Answer 1

Answer:

HCF of 672 and 120 is 24.

LCM of 672 and 120 is 3360.

Step-by-step explanation:

Given : Numbers 672 and 120.

To find : HCF and LCM of numbers by prime factorization method ?

Solution :

Factoring the numbers,

HCF is the highest common factor.

HCF of 672 and 120 is 24.

LCM is the least common factor.

LCM of 672 and 120 is 3360.

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Answer 2

Answer:

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Step-by-step explanation:

       Steps to find LCM

Find the prime factorization of 672

672 = 2 × 2 × 2 × 2 × 2 × 3 × 7

Find the prime factorization of 120

120 = 2 × 2 × 2 × 3 × 5

Multiply each factor the greater number of times it occurs in steps i) or ii) above to find the lcm:

LCM = 2 × 2 × 2 × 2 × 2 × 3 × 5 × 7

LCM = 3360