Solutions by everydaycalculation.com

The GCF of 45 and 150 is 15.

- Find the prime factorization of 45

45 = 3 × 3 × 5 - Find the prime factorization of 150

150 = 2 × 3 × 5 × 5 - To find the GCF, multiply all the prime factors common to both numbers:

Therefore, GCF = 3 × 5 - GCF =
**15**

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Find hcf of: 90 & 300 135 & 450 15 & 50 225 & 750 9 & 30 315 & 1050 90 & 150 45 & 300 135 & 150 45 & 450 225 & 150 45 & 750 315 & 150 45 & 1050

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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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