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Caren
Mathematics
20 April, 17:23
What is the GCF for 21
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Jacqueline Wang
20 April, 17:41
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Greatest common factor (GCF) of 12 and 21 is 3. We will now calculate the prime factors of 12 and 21, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 12 and 21.
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