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The GCF of 61 and 1390 is 1.
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Find HCF of: 122 & 2780 183 & 4170 305 & 6950 427 & 9730 122 & 1390 61 & 2780 183 & 1390 61 & 4170 305 & 1390 61 & 6950 427 & 1390 61 & 9730
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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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