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1, 2, 5 and 10.

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Q: What whole numbers are factor of both 20 and 30?
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What are the whole-numbers are factor of 20?

1,2,4,5,10,20


What are two numbers whose GCF is 20?

Two numbers whose greatest common factor (GCF) is 20 are any pair of numbers that are multiples of 20. For example, 20 and 40 have a GCF of 20 because 20 is a factor of both numbers. Another pair could be 60 and 80, as 20 is also a factor of both of these numbers.


Greatest common factor of 120 and 100?

The greatest common factor for both the numbers is 20.


What Common factor of 720 and 140?

The HCF of both numbers is 20


What is a number that is a factor of 6012015 and a prime number also a factor of 20?

5 is a prime factor of both numbers.


What is the greatets common factor of 20 and 80?

A common factor is a factor both numbers can be evenly divided by.In this case it is 20.20/20 = 180/20 = 4


What 2 numbers have the greatest common factor of ten?

The two numbers that have the greatest common factor of ten are any two multiples of ten. This is because the greatest common factor is the largest number that divides evenly into both numbers. So, for example, 10 and 20 have a greatest common factor of 10 because 10 is the largest number that divides evenly into both 10 and 20.


What is a factor multipacation?

A factor is the two numbers you multiply for example: 20x20=400 Both 20 and 20 are factors. The 400 is a product.


What is the greatest common factor of 20 and 120?

It would be 20. After dividing both numbers by 20, you get 1 and 6. And these two numbers cannot be divided by any other numbers except by 1.


What two digit number is a factor of 20?

Both 10 and 20 are two-digit numbers that are factors of 20.


What can 20 and 64 both be divided by?

It is 4 because it's the highest common factor of both numbers


What are the common factors that 20 and 27 have without any of them going in to both numbers?

Common factors have to go into both numbers. The only common factor of 20 and 27 is 1.