Question

HCF of 84, 63 and 126
for 5 class

Answer 1

Factors of 84=2*2*3*7

Factors of 63=3*3*7

Factors of 126=2*3*3*7

Common multiples of 84,63and126 are 3 and 7.

Hence, HCF=3*7=21

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Answer 2

Answer:

Answer is 21.

Hope it Help you