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02-10-2019
Mathematics

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What is the GCF for 21

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ellakljajic08 ellakljajic08

02-10-2019

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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