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The GCF of 15 and 1971 is 3.
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Find HCF of: 30 & 3942 45 & 5913 5 & 657 75 & 9855 30 & 1971 15 & 3942 45 & 1971 15 & 5913 75 & 1971 15 & 9855 105 & 1971
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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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