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The GCF of 21 and 105 is 21.
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Find HCF of: 42 & 210 63 & 315 7 & 35 105 & 525 147 & 735 3 & 15 42 & 105 21 & 210 63 & 105 21 & 315 105 & 105 21 & 525 147 & 105 21 & 735
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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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