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The GCF of 21 and 3450 is 3.
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Find HCF of: 42 & 6900 7 & 1150 42 & 3450 21 & 6900 63 & 3450 105 & 3450 147 & 3450
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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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