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The GCF of 489 and 661 is 1.
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Find HCF of: 978 & 1322 1467 & 1983 2445 & 3305 3423 & 4627 978 & 661 489 & 1322 1467 & 661 489 & 1983 2445 & 661 489 & 3305 3423 & 661 489 & 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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