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To find the greatest common factor (GCF) of these numbers, we first need to list the factors of each number. The factors of 63 are 1, 3, 7, 9, 21, and 63. The factors of 56 are 1, 2, 4, 7, 8, 14, 28, and 56. The factors of 42 are 1, 2, 3, 6, 7, 14, 21, and 42. The factors of 21 are 1, 3, 7, and 21. The greatest common factor among these numbers is 7.
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What are the common factors and greatest common factor of 21 and 42?
The common factors of 21 and 42 are 3, 7 and 21. The greatest common factor (GCF) is 21.
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 126 and 420?
The GCF is 42.
What is the greatest common factor for 63 42 and 21?
The Greats Common Factor (GCF) is 21 63: 1,3,7,9,21,63 42: 1,2,3,67,14,21,42 21: 1,3,7,21 They all number 21 listed in there the Factors
What is the greatest common factor of 42 and 86?
The GCF of 42 and 86 is 2. One way to determine the common factors and greatest common factor is to find all the factors of the numbers and compare them. The factors of 42 are 1, 2, 3, 6, 7, 14, 21, and 42. The factors of 86 are 1, 2, 43, and 86. The common factors are 1 and 2. Therefore, the greatest common factor is 2.
What are the common factors and greatest common factor of 21 and 42?
The common factors of 21 and 42 are 3, 7 and 21. The greatest common factor (GCF) is 21.
What is the greatest common factor for 42 and 21?
21 itself is the greatest common integral factor, since 21 X 2 = 42.
What is the greatest common factor 21 and 42?
Since 21 is a factor of 42, it is automatically the GCF.
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 42 84?
It is: 21
What is the greatest common factor or 21 42 and 84?
It is: 21
Greatest common factor of 21 and 42?
The GCF is 21.
What is the greatest common factor of 10 21 and 42?
The GCF (greatest common factor) would be 21.
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 63 and 42?
21
What is the greatest common factor of 21and 42?
21
What is the greatest common factor for 42 and 105?
21
