Question

Write the HCF and LCM 120 , 90 by prime factorization method

Answer 1

Answer:

The prime factorization of 120=2 ×2 ×3 ×2 ×5

Answer 2

1. 120 =2³×3×5
2. 90 = 2× 3²×5

LCM = 2³ ×3²×5

=8×9×5

= 360

HCF = 2×3×5

= 10×3

= 30

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