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The GCF of 55 and 661 is 1.
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Find HCF of: 110 & 1322 165 & 1983 275 & 3305 385 & 4627 110 & 661 55 & 1322 165 & 661 55 & 1983 275 & 661 55 & 3305 385 & 661 55 & 4627
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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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