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The GCF of 21 and 540 is 3.
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Find HCF of: 42 & 1080 63 & 1620 7 & 180 105 & 2700 147 & 3780 42 & 540 21 & 1080 63 & 540 21 & 1620 105 & 540 21 & 2700 147 & 540 21 & 3780
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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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