Solutions by everydaycalculation.com

The GCF of 8040 and 126 is 6.

- Find the prime factorization of 8040

8040 = 2 × 2 × 2 × 3 × 5 × 67 - Find the prime factorization of 126

126 = 2 × 3 × 3 × 7 - To find the GCF, multiply all the prime factors common to both numbers:

Therefore, GCF = 2 × 3 - GCF =
**6**

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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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