What two numbers have a GCF of 989?

Here we will explain and show you how to find what two numbers have the Greatest Common Factor (GCF) of 989.

There is actually an infinite number of answers to this question. First, note that both the numbers we are looking for must be multiples of 989. Below is the beginning list of multiples of 989 (1 through 7) in numerical order.

1. 989
2. 1978
3. 2967
4. 3956
5. 4945
6. 5934
7. 6923
etc...

Two numbers that have a GCF of 989 can be 989 and any other number on the list above. Thus, two numbers that have a GCF of 989 are:

989 & 1978
989 & 2967
989 & 3956
etc...

That is not all! Any combination of any multiple of 989 and "odd" multiples of 989 will also have GCF of 989. We numbered the multiples above so it would be easy to identify the "odd" multiples (number 1, 3, 5, 7, etc). Thus, here are some more examples of two numbers that also have a GCF of 989.

1978 & 2967
1978 & 4945
3956 & 4945
3956 & 6923
etc...

Like we stated above, there are infinite combinations of two numbers whose GCF is 989. The lists we created can go on forever.

Two numbers have a GCF of Calculator
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Teacher Tip: If you are a teacher, you could ask these questions of your students: "I am thinking of two numbers and the GCF is 989, what are the numbers?" or "What are two numbers whose GCF is 989?"

What two numbers have a GCF of 990?
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