What two numbers have a GCF of 978?

Here we will explain and show you how to find what two numbers have the Greatest Common Factor (GCF) of 978.

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 978. Below is the beginning list of multiples of 978 (1 through 7) in numerical order.

1. 978
2. 1956
3. 2934
4. 3912
5. 4890
6. 5868
7. 6846
etc...

Two numbers that have a GCF of 978 can be 978 and any other number on the list above. Thus, two numbers that have a GCF of 978 are:

978 & 1956
978 & 2934
978 & 3912
etc...

That is not all! Any combination of any multiple of 978 and "odd" multiples of 978 will also have GCF of 978. 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 978.

1956 & 2934
1956 & 4890
3912 & 4890
3912 & 6846
etc...

Like we stated above, there are infinite combinations of two numbers whose GCF is 978. 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 978, what are the numbers?" or "What are two numbers whose GCF is 978?"

What two numbers have a GCF of 979?
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