What two numbers have a GCF of 7900?

Here we will explain and show you how to find what two numbers have the Greatest Common Factor (GCF) of 7900.

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 7900. Below is the beginning list of multiples of 7900 (1 through 7) in numerical order.

1. 7900
2. 15800
3. 23700
4. 31600
5. 39500
6. 47400
7. 55300
etc...

Two numbers that have a GCF of 7900 can be 7900 and any other number on the list above. Thus, two numbers that have a GCF of 7900 are:

7900 & 15800
7900 & 23700
7900 & 31600
etc...

That is not all! Any combination of any multiple of 7900 and "odd" multiples of 7900 will also have GCF of 7900. 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 7900.

15800 & 23700
15800 & 39500
31600 & 39500
31600 & 55300
etc...

Like we stated above, there are infinite combinations of two numbers whose GCF is 7900. 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 7900, what are the numbers?" or "What are two numbers whose GCF is 7900?"

What two numbers have a GCF of 7901?
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