Question

what is the HCF of 21 and 5​

Answer 1

Answer:

Step-by-step explanation:

As there is no common factor in both except 1

1 is HCF in both

Answer 2

Answer:

Factors of 5 = 1 , 5

Factors of 21 = 1 , 3 , 7 , 21

Common factor is = 1

So, the HCF of 21 and 5 is = 1

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