Solutions by everydaycalculation.com
The GCF of 21 and 225 is 3.
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Find HCF of: 42 & 450 63 & 675 7 & 75 105 & 1125 147 & 1575 42 & 225 21 & 450 63 & 225 21 & 675 105 & 225 21 & 1125 147 & 225 21 & 1575
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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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