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The GCF of 21 and 1455 is 3.
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Find HCF of: 42 & 2910 63 & 4365 7 & 485 105 & 7275 42 & 1455 21 & 2910 63 & 1455 21 & 4365 105 & 1455 21 & 7275 147 & 1455
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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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