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The GCF of 64 and 63 is 1.
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Find HCF of: 128 & 126 192 & 189 320 & 315 448 & 441 128 & 63 64 & 126 192 & 63 64 & 189 320 & 63 64 & 315 448 & 63 64 & 441
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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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