Solutions by everydaycalculation.com

The GCF of 7920 and 1944 is 72.

- Find the prime factorization of 7920

7920 = 2 × 2 × 2 × 2 × 3 × 3 × 5 × 11 - Find the prime factorization of 1944

1944 = 2 × 2 × 2 × 3 × 3 × 3 × 3 × 3 - To find the GCF, multiply all the prime factors common to both numbers:

Therefore, GCF = 2 × 2 × 2 × 3 × 3 - GCF =
**72**

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Find hcf of: 3960 & 972 2640 & 648 7920 & 3888 7920 & 5832 7920 & 9720

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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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