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The GCF of 20 and 1644 is 4.
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Find HCF of: 40 & 3288 10 & 822 60 & 4932 100 & 8220 40 & 1644 20 & 3288 60 & 1644 20 & 4932 100 & 1644 20 & 8220 140 & 1644
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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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