What two numbers have a GCF of 2172?

Here we will explain and show you how to find what two numbers have the Greatest Common Factor (GCF) of 2172.

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 2172. Below is the beginning list of multiples of 2172 (1 through 7) in numerical order.

1. 2172
2. 4344
3. 6516
4. 8688
5. 10860
6. 13032
7. 15204
etc...

Two numbers that have a GCF of 2172 can be 2172 and any other number on the list above. Thus, two numbers that have a GCF of 2172 are:

2172 & 4344
2172 & 6516
2172 & 8688
etc...

That is not all! Any combination of any multiple of 2172 and "odd" multiples of 2172 will also have GCF of 2172. 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 2172.

4344 & 6516
4344 & 10860
8688 & 10860
8688 & 15204
etc...

Like we stated above, there are infinite combinations of two numbers whose GCF is 2172. 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 2172, what are the numbers?" or "What are two numbers whose GCF is 2172?"

What two numbers have a GCF of 2173?
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