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The GCF of 21 and 1545 is 3.
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Find HCF of: 42 & 3090 63 & 4635 7 & 515 105 & 7725 42 & 1545 21 & 3090 63 & 1545 21 & 4635 105 & 1545 21 & 7725 147 & 1545
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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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