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The GCF is 1.

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Q: What is the greatest common factor of 7 and 45?
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What is the greatest common factor of 35 and 45?

greatest common factor of 45 and 35 is 5.Five (7*5 , 9*5)


What is the greatest common factor for 25 35 and 45?

25 = 5*5 35 = 5*7 45 = 3*3*5 So the greatest common factor is 5.


What is the greatest common factor of 45 63 and 99?

The greatest common factor is 9


What is the greatest common factor of 91 and 7?

The greatest common factor is 7


What is 7 and 28 greatest common factor?

7 is the greatest common factor.


What is the greatest common factor of 45 and 77?

A factor is a divisor - a number that will evenly divide into another number. The greatest common factor of two or more numbers is the largest factor that both numbers have in common. 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 45 are 1, 3, 5, 9, 15, and 45. The factors of 77 are 1, 7, 11, and 77. The only common factor is 1. Therefore, the greatest common factor is 1.


What is the greatest common factor of 7 and 112?

The greatest common factor of 7 and 112 is 7.


What is the greatest common factor of 280 and 7?

The greatest common factor of 280 and 7 is 7.


The greatest common factor for 7 and 28?

The greatest common factor of 7 and 28 is 7.


What is the greatest common factor of 77 and 21?

The greatest common factor of 21 and 77 is 7.


What is the greatest common factor of 126 and 45?

126 = 2 * 3 * 3 * 7 45 = 3 * 3 * 5 So their GCF is 3 * 3 = 9


What is the greatest common factor of 21 and 45?

The GCF of 21 and 45 is 3. 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 45 are 1, 3, 5, 9, 15, and 45. The common factors are 1 and 3. Therefore, the greatest common factor is 3. 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 45 are 3, 3, and 5. The prime factors in common are a single 3, so the greatest common factor is 3.