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The GCF of 20 and 308 is 4.
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Find HCF of: 40 & 616 10 & 154 60 & 924 100 & 1540 140 & 2156 40 & 308 20 & 616 60 & 308 20 & 924 100 & 308 20 & 1540 140 & 308 20 & 2156
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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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