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The GCF of 21 and 1650 is 3.
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Find HCF of: 42 & 3300 63 & 4950 7 & 550 105 & 8250 42 & 1650 21 & 3300 63 & 1650 21 & 4950 105 & 1650 21 & 8250 147 & 1650
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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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