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The GCF of 21 and 1530 is 3.
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Find HCF of: 42 & 3060 63 & 4590 7 & 510 105 & 7650 42 & 1530 21 & 3060 63 & 1530 21 & 4590 105 & 1530 21 & 7650 147 & 1530
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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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