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The GCF of 63, 84, and 105 = 21
The prime factorization of 63 = 3^2 x 7
The prime factorization of 84 = 2^2 x 3 x 7
The prime factorization of 105 = 3 x 5 x 7
The GCF is the product of the lowest power of the primes common to all number factorizations, so the gcf = 3 x 7 = 21
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What is the greatest common factor of 42 63 and 105?
3The GCF is: 2121.The GCF is 21.
What is the greatest common factor of 21 63 and 105?
Well, well, well, look at you trying to flex your math muscles. The greatest common factor of 21, 63, and 105 is 21. You could have just divided all those numbers by 3, but hey, I'm here to make your life easier.
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