What two numbers have a GCF of 2170?

Here we will explain and show you how to find what two numbers have the Greatest Common Factor (GCF) of 2170.

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 2170. Below is the beginning list of multiples of 2170 (1 through 7) in numerical order.

1. 2170
2. 4340
3. 6510
4. 8680
5. 10850
6. 13020
7. 15190
etc...

Two numbers that have a GCF of 2170 can be 2170 and any other number on the list above. Thus, two numbers that have a GCF of 2170 are:

2170 & 4340
2170 & 6510
2170 & 8680
etc...

That is not all! Any combination of any multiple of 2170 and "odd" multiples of 2170 will also have GCF of 2170. 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 2170.

4340 & 6510
4340 & 10850
8680 & 10850
8680 & 15190
etc...

Like we stated above, there are infinite combinations of two numbers whose GCF is 2170. 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 2170, what are the numbers?" or "What are two numbers whose GCF is 2170?"

What two numbers have a GCF of 2171?
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