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The GCF of 21 and 1015 is 7.
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Find HCF of: 42 & 2030 63 & 3045 105 & 5075 147 & 7105 3 & 145 42 & 1015 21 & 2030 63 & 1015 21 & 3045 105 & 1015 21 & 5075 147 & 1015 21 & 7105
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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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