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The GCF of 21 and 115 is 1.
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Find HCF of: 42 & 230 63 & 345 105 & 575 147 & 805 42 & 115 21 & 230 63 & 115 21 & 345 105 & 115 21 & 575 147 & 115 21 & 805
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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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