Find the lcm and hcf of 12 15 21
Asked by admin @ in Math viewed by 278 People
Find the Lcm and hcf of 12,15,and 21 by applying the prime factorisation method
Answered by admin @
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.
hope it might be helful !!
☺☺☺
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