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The GCF of 21 and 480 is 3.
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Find HCF of: 42 & 960 63 & 1440 7 & 160 105 & 2400 147 & 3360 42 & 480 21 & 960 63 & 480 21 & 1440 105 & 480 21 & 2400 147 & 480 21 & 3360
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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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