Solutions by everydaycalculation.com

The GCF of 9 and 36 is 9.

- Find the prime factorization of 9

9 = 3 × 3 - Find the prime factorization of 36

36 = 2 × 2 × 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: 18 & 72 27 & 108 3 & 12 45 & 180 63 & 252 18 & 36 9 & 72 27 & 36 9 & 108 45 & 36 9 & 180 63 & 36 9 & 252

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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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