Solutions by everydaycalculation.com

The GCF of 5 and 22 is 1.

- Find the prime factorization of 5

5 = 5 - Find the prime factorization of 22

22 = 2 × 11 - To find the GCF, multiply all the prime factors common to both numbers:

Therefore, GCF = 1

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Find hcf of: 10 & 44 15 & 66 25 & 110 35 & 154 10 & 22 5 & 44 15 & 22 5 & 66 25 & 22 5 & 110 35 & 22 5 & 154

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The greatest common factor (GCF) is also known as greatest common divisor (GCD) or highest common factor (HCF).

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