Question

Find the H.C.F and L.C.M of 12, 15 and 21using prime factorization method.​

Answer 1

hey

12 = 2 x 2 x 3

15 = 3 x 5

21 = 3 x 7

HCF = 3

LCM = 3 x 2 x 2 x 5 x 7 = 420

____ Thank you ____

Answer 2

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