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The GCF of 21 and 101 is 1.
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Find HCF of: 42 & 202 63 & 303 105 & 505 147 & 707 42 & 101 21 & 202 63 & 101 21 & 303 105 & 101 21 & 505 147 & 101 21 & 707
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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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