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The GCF of 20 and 524 is 4.
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Find HCF of: 40 & 1048 10 & 262 60 & 1572 100 & 2620 140 & 3668 40 & 524 20 & 1048 60 & 524 20 & 1572 100 & 524 20 & 2620 140 & 524 20 & 3668
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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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