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The GCF of 21 and 286 is 1.
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Find HCF of: 42 & 572 63 & 858 105 & 1430 147 & 2002 42 & 286 21 & 572 63 & 286 21 & 858 105 & 286 21 & 1430 147 & 286 21 & 2002
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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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