What two numbers have a GCF of 2120?

Here we will explain and show you how to find what two numbers have the Greatest Common Factor (GCF) of 2120.

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 2120. Below is the beginning list of multiples of 2120 (1 through 7) in numerical order.

1. 2120
2. 4240
3. 6360
4. 8480
5. 10600
6. 12720
7. 14840
etc...

Two numbers that have a GCF of 2120 can be 2120 and any other number on the list above. Thus, two numbers that have a GCF of 2120 are:

2120 & 4240
2120 & 6360
2120 & 8480
etc...

That is not all! Any combination of any multiple of 2120 and "odd" multiples of 2120 will also have GCF of 2120. 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 2120.

4240 & 6360
4240 & 10600
8480 & 10600
8480 & 14840
etc...

Like we stated above, there are infinite combinations of two numbers whose GCF is 2120. 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 2120, what are the numbers?" or "What are two numbers whose GCF is 2120?"

What two numbers have a GCF of 2121?
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