Solutions by everydaycalculation.com

The GCF of 17 and 40 is 1.

- Find the prime factorization of 17

17 = 17 - Find the prime factorization of 40

40 = 2 × 2 × 2 × 5 - To find the GCF, multiply all the prime factors common to both numbers:

Therefore, GCF = 1

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Find hcf of: 34 & 80 51 & 120 85 & 200 119 & 280 34 & 40 17 & 80 51 & 40 17 & 120 85 & 40 17 & 200 119 & 40 17 & 280

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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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