Question

find the l.c.m and h.c.f of 12 and 18 by the prime factorization method
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Answer 1

Answer:

12 = 2 x 2 x 3

18 = 2 x 3 x 3

HCF = 2 x 3 = 6 There is only one 2 in 18 and only one 3 in 12.

LCM = 2 x 2 x 3 x 3 = 36 You need two 2’s and two 3’s to “cover” both 12 and 18.

Answer 2

Answer:

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