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When you are trying to find the GCF of two numbers and one of the numbers is a multiple of the other, the GCF will be the smaller of the two numbers.

The GCF of 3 and 9 is 3.

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11y ago

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Related Questions

What two numbers have GCF that contains two prime numbers what is the answer?

The GCF of two prime numbers is 1.


What two numbers have the greatest common factor of a square number?

9 and 18 have a GCF of 9.


What is the set of numbers that satisfy the condition of The greatest common factor of two numbers is a square number?

The GCF of 8 and 12 is 4, a square number.


How can you find the gcf of two numbers without knowing the factors?

If one of the numbers is a multiple of the other, the smaller number is the GCF. If the two numbers are prime numbers, the GCF is 1. If the numbers are consecutive, the GCF is 1. If the numbers are consecutive even numbers, the GCF is 2.


How do you find a pair of numbers when the GCF is given?

To find a pair of numbers with a given GCF, take the GCF number and double it. The pair of numbers is the GCF, and two times the GCF. For instance, two numbers with a GCF of 3 are 3 and 6.


What are the two numbers if the gfc of the two numbers is a square number?

There are infinitely many possible answers.Suppose s is a square number and let p and q be any two coprime numbers. Then p*s and q*s are the two required numbers.p and q are coprime if their GCF is 1. These numbers need not, themselves, be prime. For example, 8 and 9.


Can two numbers have the same greatest common factor?

Two numbers have a GCF. Two sets of two numbers may have the same GCF.


What is the GCF of 156?

You need at least two numbers to find a GCF.


Can two numbers in a row have a gcf?

Consecutive numbers have a GCF of 1.


Can two numbers have more than one GCF?

No; two numbers can have only 1 GCF.


What two numbers have a gcf that contains two prime numbers?

23 and 46 have a GCF of 23.


Is the gcf of two even numbers even?

The GCF of two even numbers is even.