Solutions by everydaycalculation.com

The GCF of 240 and 18 is 6.

- Find the prime factorization of 240

240 = 2 × 2 × 2 × 2 × 3 × 5 - Find the prime factorization of 18

18 = 2 × 3 × 3 - To find the GCF, multiply all the prime factors common to both numbers:

Therefore, GCF = 2 × 3 - GCF =
**6**

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Find hcf of: 480 & 36 120 & 9 720 & 54 80 & 6 1200 & 90 1680 & 126 480 & 18 240 & 36 720 & 18 240 & 54 1200 & 18 240 & 90 1680 & 18 240 & 126

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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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