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Factors of 21: 1, 3, 7, 21
Factors of 2: 1, 2
GCF (21, 2) =
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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 for 12 21 30?
The prime factors are: 12 = 2 * 2 *3 21 = 3 *7 30 = 2 * 3 * 5 So the greatest common factor is 3.
What is the greatest common factor of 2 10 and 30?
The greatest common factor (GCF) is: 2
What is the greatest common factor in 2 46 and 4?
The greatest common factor of the numbers 2, 46 and 4 is 2.
What is the greatest common factor of 120 and 182?
greatest common factor of 120 and 182 is 2.
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 of 20 and 54?
The greatest common factor of 21 and 54 is 3. The greatest common factor is the highest number that divides exactly into two or more numbers. factors of 21: 1, 3, 7, 21 factors of 54: 1, 2, 3, 6, 9, 18, 27, 54 The greatest common factor of 21 and 54 is 3.
Common factors of 14 and 21?
Common Factors: 2, 7 Greatest Common Factor: 7 * * * * * 2 is NOT a factor of 21 and so it cannot be a common factor.
What is the greatest common factor for 12 21 30?
The prime factors are: 12 = 2 * 2 *3 21 = 3 *7 30 = 2 * 3 * 5 So the greatest common factor is 3.
What is the greatest common factor of 21 30 and 44?
21 = 3 x 7 30 = 2 x 3 x 5 44 = 2 x 2 x 11 GCF = 1
What are the factors of 14 and 21 and the greatest common factor?
The factors of 14 are: 1, 2, 7, 14.The factors of 21 are: 1, 3, 7, 21.The Greatest Common Factor (GCF) is: 7.
What is the greatest common factor of 14b and 21ab?
The prime factors of 21 are 3 and 7.The prime factors of 14 are 2 and 7.The greatest common factor of 21 and 14 is 7.21ab and 14b also have another factor in common - b. So, the greatest common factor of 21ab and 14b would appear to be 7b . However, it is possible that a and 14 share a common factor of 2, in which case the greatest common factor of 21ab and 14b would be 14b.In summary, if a is an even number (i.e. having a factor of 2), the greatest common factor is 14b.If a is not an even number, the greatest common factor is 7b.gcf(21ab, 14b) = 7b.
What is the greatest common factor of 60 and 2?
the greatest common factor for 60 and 2 is 1
How do you get the answer to the question what is the greatest common factor of 21 and 56?
The best way would be to do a factor tree break down each number seperetely 21 7*3 56 2*28 4*7 2*2 The greatest common factor is 7
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 is the greatest common factor of 38 and 4?
The greatest common factor is 2
What is the greatest common factor for 21 and 36?
The factors of 21 are 1, 3, 7, and 21. The factors of 36 are 1, 2, 3, 4, 6, 9, 12, 18, and 36. The factors they have in common are 1 and 3, the largest of which is 3, so 3 is the greatest common factor. Or, you can calculate the greatest common factor by looking at the prime factors. The prime factors of 21 are 3 and 7. The prime factors of 36 are 2, 2, 3, and 3. The prime factors they have in common are a single 3, so 3 is the greatest common factor.
