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The GCF of 21 and 1805 is 1.
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Find HCF of: 42 & 3610 63 & 5415 105 & 9025 42 & 1805 21 & 3610 63 & 1805 21 & 5415 105 & 1805 21 & 9025 147 & 1805
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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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