Find the LCM and HCF of 12,15 and 21 by applying the prime factorization method.
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Answered by
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hey...here's ur solution ,
12 = 2× 2 × 3
15 =3×5
21 = 3× 7
hence =
HCF = 3
LCM = 2×2×3×5×7
= 420.
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