Solutions by everydaycalculation.com

The GCF of 630 and 9 is 9.

- Find the prime factorization of 630

630 = 2 × 3 × 3 × 5 × 7 - Find the prime factorization of 9

9 = 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: 1260 & 18 1890 & 27 210 & 3 3150 & 45 4410 & 63 1260 & 9 630 & 18 1890 & 9 630 & 27 3150 & 9 630 & 45 4410 & 9 630 & 63

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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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