Solutions by everydaycalculation.com

The GCF of 24 and 18 is 6.

- Find the prime factorization of 24

24 = 2 × 2 × 2 × 3 - 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: 48 & 36 12 & 9 72 & 54 8 & 6 120 & 90 168 & 126 48 & 18 24 & 36 72 & 18 24 & 54 120 & 18 24 & 90 168 & 18 24 & 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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