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The GCF of 61 and 1990 is 1.
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Find HCF of: 122 & 3980 183 & 5970 305 & 9950 122 & 1990 61 & 3980 183 & 1990 61 & 5970 305 & 1990 61 & 9950 427 & 1990
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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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