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The greatest common factor of 21 and 40 is 1 because there are no larger common factors.

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Q: Why is 1 the greatest common factor of 21 and 40?
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What is the greatest common factor for10 and 40?

it is 40 because it is the greatest common factor for the numbers10 and 40


What is the greatest common factor of 1628 and 40?

The greatest common factor of 1628 , 40 = 4


What is the greatest common factor for 18 and 40?

The Greatest Common Factor of 40 and 18 is 2.


What is the greatest common factor for 40 14 and 21?

The GCF is 1.


What is the greatest common factor of 76 and 40?

The GCF is 4.

Related questions

What are the greatest common factor of 21 and 40?

The GCF is 1.


What is the greatest common factor between 21 and 40?

The GCF is 1.


What is the greatest common factor of 21 30 and 40?

The greatest common factor (GCF) is often also called the greatest common divisor (GCD) or highest common factor (HCF). Keep in mind that these different terms all refer to the same thing: the largest integer which evenly divides two or more numbers. The greatest common factor of 21, 30, and 40 is 1


What is the greatest common factor of 8 21 and 40?

The greatest common factor (GCF) is often also called the greatest common divisor (GCD) or highest common factor (HCF). Keep in mind that these different terms all refer to the same thing: the largest integer which evenly divides two or more numbers.The greatest common factor of 8, 21, and 40 is 1


What is the greatest common factor of 40 and 21?

The GCF of 21 and 40 is 1, 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 40 are 1, 2, 4, 5, 8, 10, 20, and 40. The only common factor is 1. 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 40 are 2, 2, 2, and 5 Therefore, the GCF is 1.


What is the greatest common factor of 56 40 21 and 15?

The GCF is 1.


What is the greatest common factor for10 and 40?

it is 40 because it is the greatest common factor for the numbers10 and 40


What is the greatest common factor of 1628 and 40?

The greatest common factor of 1628 , 40 = 4


What is the Greatest Common Factor of 40 and 81?

The greatest common factor of 40 , 81 = 1


What are the greatest common factor of 84 and 40?

The greatest common factor of 84 , 40 = 4


The greatest common factor of 48 and 40?

8 is the greatest common factor for 48 and 40


What is the greatest common factor of 40 and 150?

The greatest common factor of 40 and 150 is 10.