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The GCF is 7.
HCF(21, 77, 84) = 7.
The GCF is 21.
It is: 21
The HCF of 21, 84 and 91 is.... 1 ! The number 91 is a prime number.
The GCF is 1.
The GCF is 24.
The HCF of both numbers is 7
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