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The greatest common factor (GCF) of three numbers is the largest number that divides each of the three numbers without leaving a remainder. To find the GCF of 91, 21, and 49, we need to factorize each number. The prime factors of 91 are 7 and 13, the prime factors of 21 are 3 and 7, and the prime factors of 49 are 7 and 7. The common factor among them is 7, so the GCF of 91, 21, and 49 is 7.
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What is the greatest common factor of 4942 and 21?
7 is the greatest common factor of 4942 and 21, or of 49, 42 and 21, if that is what you meant.
What is the greatest common factor of 21 49 and 115?
The GCF of 21, 49 and 115 is 1.
What is the common factor of 21 35 49?
The greatest common factor of 7, 35 and 49 is 7.
What is the greatest common factor of 49 35 21 and 28?
The GCF is 7.
What is the greatest common factor 49 21 28?
Well, honey, the greatest common factor of 49, 21, and 28 is 7. It's like finding the one thing they all have in common, and in this case, that thing is 7. So, there you have it, the greatest common factor is 7.
