Solutions by everydaycalculation.com

The GCF of 45 and 14 is 1.

- Find the prime factorization of 45

45 = 3 × 3 × 5 - Find the prime factorization of 14

14 = 2 × 7 - To find the GCF, multiply all the prime factors common to both numbers:

Therefore, GCF = 1

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Find hcf of: 90 & 28 135 & 42 225 & 70 315 & 98 90 & 14 45 & 28 135 & 14 45 & 42 225 & 14 45 & 70 315 & 14 45 & 98

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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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