Solutions by everydaycalculation.com

The GCF of 207 and 720 is 9.

- Find the prime factorization of 207

207 = 3 × 3 × 23 - Find the prime factorization of 720

720 = 2 × 2 × 2 × 2 × 3 × 3 × 5 - 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: 414 & 1440 621 & 2160 69 & 240 1035 & 3600 1449 & 5040 414 & 720 207 & 1440 621 & 720 207 & 2160 1035 & 720 207 & 3600 1449 & 720 207 & 5040

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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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