Solutions by everydaycalculation.com

The GCF of 5040 and 81 is 9.

- Find the prime factorization of 5040

5040 = 2 × 2 × 2 × 2 × 3 × 3 × 5 × 7 - Find the prime factorization of 81

81 = 3 × 3 × 3 × 3 - To find the GCF, multiply all the prime factors common to both numbers:

Therefore, GCF = 3 × 3 - GCF =
**9**

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Find hcf of: 1680 & 27 5040 & 162 5040 & 243 5040 & 405 5040 & 567

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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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