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When the first number is a factor of the other, the first number is the GCF.

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Q: What are two numbers that the first number is the gcf?
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Related questions

What is the gcf of two numbers. the second number is the multiple of the first number?

The GCF is the first number.


What is the GCF of two square numbers?

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.


If one number is a factor of a second number the GCF of the two numbers is the first number?

That is correct. The other number is the LCM.


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.


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.


What is the GCF of 440?

You need at least two numbers to find a GCF.


How will I find a number when the LCM is 252 and HCF is 14 and the first number is 28?

The product of the GCF and LCM of two numbers is equal to the product of the two numbers. The other number is 126.


What is the GCF of 78?

You need at least two numbers to find a GCF.


What is the gcf f two or more number represents?

The GCF of two or more numbers represents the largest number that will divide into the two or more numbers evenly with no remainder. 2 is the GCF of 4 and 6.


What is the GCF of the number 23?

You need at least two numbers to find a GCF.


What is the GCF of number 18?

You need at least two numbers to find a GCF.


How can you choose one number so that it will be relativelyprime to any other number?

Find the GCF of the two numbers. If the GCF is 1, the numbers are relatively prime. or Look at the prime factorization of the first number. Choose a second number that doesn't have any prime factors in common with the first.