Question

1. Find the HCF and LCM of the following
pairs of numbers by prime factoring method
(i) 112 and 64
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Answer 1

Answer:

P. F. 112 is 2 x 2 x 2 x 2 x 7

P. F. 64 is 2 x 2 x 2 x 2 x 2 x 2

C. F..... 2 x 2 x 2 x 2

H. C. F. is 16

Other factors.... 7 x 2 x 2

L. C. M. is C. F x Other factors

2 x 2 x 2 x 2 x 7 x 2 x 2

448

Answer 2

This is the LCM of the given equation