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What is the greatest common factor of 21 28 42?
The GCF is 7.
What is the greatest common factor of 28 and 57?
The greatest, and only, common factor of 57 (=3x19) and 28 (=22x7) is 1.
What are the greatest common factors of 21 and 28 and 56?
the greatest common factor is 7, because 21 divided by 7 is 3, 28 divided by 7 is 4 and 56 divided by 7 is 8.
What are is the greatest common factor of 28 42 and 63?
The Greatest Common Factor of 28, 42, 63: 7
What is the greatest common for 7and 28?
The greatest common factor for 7 and 28 = 7.
What is the greatest common factor of 15 21 and 28?
The Greatest Common Factor of 15, 21, 28: 1
What is the greatest common factor of 28 21?
The GCF is 7.
What is the greatest common factor of 21 and 91 and 28?
The GCF is 7.
What is the greatest common factor of 12 21 and 28?
The GCF is 1.
What is the greatest common factor of 28 14 21?
The GCF is 7.
What is the greatest common factor of 21 28 42?
The GCF is 7.
What is the greatest common factor of 49 35 21 and 28?
The GCF is 7.
What what is the greatest common factor 21 and 28?
The GCF of 21 and 28 is 7.One way to determine the greatest common factor is to find all the factors of the numbers and compare them.The factors of 21 are 1, 3, 7, and 21.The factors of 28 are 1, 2, 4, 7, 14, and 28.The common factors are 1 and 7. Therefore, the greatest common factor is 7.The greatest common factor can also be calculated by identifying the common prime factors and multiplying them together.The prime factors of 21 are 3 and 7.The prime factors of 28 are 2, 2, and 7.The prime factors in common are a single 7, so the greatest common factor is 7.77There is neither a greatest common factor nor common factors of a single number, such as 2821, because there cannot be any form of common factor without two or more numbers to compare. Common factors are factors that the numbers being compared have in common. The greatest common factor is the largest factor that all the numbers being compared have in common. Thus, since there are not two or more numbers to compare, there are neither common factors nor a greatest common factor.
What is the greatest common factor of 140 and 84?
The greatest common factor is 28.
Greatest common factor of 14 21 28 42?
The GCF is 7.
What is the greatest common factor for 154 and 28?
The greatest common factor of 154 , 28 = 14
What is the greatest common factor of 28 and 55?
The greatest common factor of 28 and 55 is 1
