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The GCF of 21 and 1518 is 3.
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Find HCF of: 42 & 3036 63 & 4554 7 & 506 105 & 7590 42 & 1518 21 & 3036 63 & 1518 21 & 4554 105 & 1518 21 & 7590 147 & 1518
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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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