Question

what is the hcf of 21 and 42​

Answer 1

Answer:

Hey mate,

Here is ur answer.....

LCM of 21 and 42: 42....

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Answer 2

Answer:

HCF is 21

Step-by-step explanation:

by Euclid's division lemma

a=bq+r

so where a=42

b=21

q=2

r=0

then 42=21×2+0

so answer is 21