(d)find the hcf of 21 and 84

asked Sep 24, 2021 95.0k views

1 vote

by GWay

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Explanation:

$21 = 3 * 7 \\ \\ 84 = 2 * 2 * 3 * 7 \\ \\ common \: factors \: = 3 \: and \: 7 \\ \\ \therefore \: hcf \: of \: 21 \: and \: 84 = 3 * 7 = 21$

WestJackson answered Sep 25, 2021

3.6k points

3 votes

I m not sure about my ans.

Trann answered Sep 30, 2021

by Trann

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