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As a product of its prime factors: 2*5*7 = 70

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10y ago
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9y ago

5 for both.

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11y ago

Five

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Q: What is the greatest prime factor of 70 and 80?
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Related questions

What is the greatest common factor of 70 and 80?

The greatest common factor of 70 and 80 is 10. The prime factorization of 70 is 2*5*7 The prime factorization of 80 is 2*2*2*2*5 The GCF is 2*5 = 10


Which pair of numbers has a greatest common factor that is a prime number 54 and 99 or 80 and 114?

The greatest common factor of 54 and 99 is 9, which is not prime. The greatest common factor of 80 and 114 is 2, which is prime.


What is the greatest common factor for 70 and 80?

10


What is the greatest commn factor shared by 70 and 80?

It is: 10


What is the greatest common factor of 50 70 and 80?

The GCF is 10.


What is the greatest common factor of 14 70 and 80?

The GCF is 2.


What is the highest common factor between 100 and 70?

The greatest common factor of 80 and 100 is 20.


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 is the Greatest Common Factor of 80 and 54?

The greatest common factor of 54 and 80 is 2


What is the greatest common factor of 80 180?

The greatest common factor of 80 , 180 = 20


What is the greatest common factor of 80 and 120?

The greatest common factor of 80 and 120 is 40.


What is the greatest common factor of 25 and 80?

The greatest common factor of 25 and 80 is 5.