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The Answer is 1!

Because 5: 1,3

Because 16:1,2,4,8,16

So The Ones ( 1 ) Are The Most Common Out Of All.

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14y ago
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8y ago

The common factor of 15 and 16 is 1.

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Q: What are the common factors for 5 and 16?
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What is the greatest common factor of 5 and 16?

The GCF of 5 and 16 is 1. The factors of 5 are 1 and 5 The factors of 16 are 1, 2, 4, 8, and 16 So the greatest common factor of 5 and 16 is 1. They are coprime.


What are the common factors of 5 and 16?

The have none...


Common factors of 5 and 16?

The only common factor is 1.


How many common factors do 5 and 16 have?

Just 1.


What is the greatest common factor of 16 and 80?

I know that 16 x 5 = 80, so the greatest common factor of 16 and 80 must be 16, since the greatest common factor cannot be larger than the small number. But, if you did not know this, you would need to compare their factors. The factors of 16 are 1, 2, 4, 8, and 16. The factors of 80 are 1, 2, 4, 5, 8, 10, 16, 20, 40, and 80. The largest of the factors they have in common is 16, so 16 is the greatest common factor. Or, you can determine the greatest common factor by their prime factors. The prime factors of 16 are 2, 2, 2, and 2. The prime factors of 80 are 2, 2, 2, 2, and 5. The prime factors they have in common are four 2s, so 2 x 2 x 2 x 2 = 16 is the greatest common factor.


What are the common factors of 16 and 30?

The factors of 16 are 1, 2, 4, 8, and 16. The factors of 30 are 1, 2, 3, 5, 6, 10, 15, and 30. The common factors are 1 and 2. Factors of 16: 2,4,8,16 Factors of 30: 2,3,5,6,10,15,30 Therefore 2 is a common factor of 16 and 30


What is the common number of 15 and 16?

Factors of 16 are: 1 2 4 8 and 16 Factors of 15 are: 1 3 5 and 15


What are Common factors of 16 and 30?

Factors of 16 are 1, 2, 4, 8, and 16 Factors of 30 are 1, 2, 3, 5, 6, 10, 15, and 30 The common factors of 16 and 30 are 1 and 2, and the GCF is 2.


What are all of the common factors of 16?

The factors of 16 are 1, 2, 4, 8 and 16. For them to be common, they need to be compared to another set of factors.


Common factors of 16 and 40?

The factors of 16 are 1, 2, 4, 8, and 16.The factors of 40 are 1, 2, 4, 5, 8, 10, 20, and 40.The common factors of 16 and 40 are 1, 2, 4, and 8.


What is the common factor of 16 and 20?

The factors of 16 are 1, 2, 4, 8, and 16. The factors of 20 are 1, 2, 4, 5, 10, and 20. The largest of the factors they have in common is 4, so 4 is the greatest common factor. Using prime factorization: The prime factors of 16 are 2, 2, 2, and 2. The prime factors of 20 are 2, 2, and 5. The prime factors in common are 2 and 2, so the greatest common factor is 2 x 2 = 4.


How many factors does 16 have?

Factors are numbers you can multiply together to get another number. 16: 1, 2, 4, 8, 16 16 has 5 factors.