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Earn +20 ptsQ: What is a common factor of 21 and 49?
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What is the greatest common factor of 21 and 49?
The greatest common factor of 21 and 49 is 7.21 = 3 x 7, 49 = 7 x 7 so GCF = 7.
What is the greatest common factor 21 35 and 49?
The GCF is 7.
What is the greatest common factor for 21 and 49?
7 (7 x 3= 21, 7 x 7=49)
What is the greatest common factor of 21 42 49?
To find the greatest common factor of 21, 42, and 49, we first need to find the prime factors of each number. The prime factors of 21 are 3 and 7, the prime factors of 42 are 2, 3, and 7, and the prime factors of 49 are 7 and 7. The greatest common factor is the product of the common prime factors raised to the lowest power they appear in any of the numbers, which in this case is 7. Therefore, the greatest common factor of 21, 42, and 49 is 7.
What is the greatest common factor of 49 and 343?
The greatest common factor of 49 and 343 is 49.
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