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It is: 1
The HCF of 21, 84 and 91 is.... 1 ! The number 91 is a prime number.
It is: 7
The GCF is 7.
The GCF is 24.
7
It is: 12
12
HCF(10, 84) = 2 HCF(10, 84) = 2 HCF(10, 84) = 2 HCF(10, 84) = 2