What Numbers Go Into 9 And 80

For the question "What Numbers Go Into 9 and 80" is the same as Greatest Common Factor (GCF, HCF, GCD) of 9 And 80 numbers.

Greatest Common Factor Of 9 And 80

The gcf of 9 and 80 is the largest positive integer that divides the numbers 9 and 80 without a remainder. Let's find the factors.

Finding The Factors Of 9 And 80

List out all of the prime factors for each number:

Factors Of 9

1 , 3 , 9

Factors Of 80

1 , 2 , 4 , 5 , 8 , 10 , 16 , 20 , 40 , 80

The greatest common factor of 9 and 80 is 1 .

What is the Greatest Common Factor?

Put simply, the GCF of a set of whole numbers is the largest positive integer (i.e whole number and not a decimal) that divides evenly into all of the numbers in the set. It's also commonly known as:

Greatest Common Denominator (GCD)
Highest Common Factor (HCF)
Greatest Common Divisor (GCD)