What two numbers have a GCF of 2130?

Here we will explain and show you how to find what two numbers have the Greatest Common Factor (GCF) of 2130.

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 2130. Below is the beginning list of multiples of 2130 (1 through 7) in numerical order.

1. 2130
2. 4260
3. 6390
4. 8520
5. 10650
6. 12780
7. 14910
etc...

Two numbers that have a GCF of 2130 can be 2130 and any other number on the list above. Thus, two numbers that have a GCF of 2130 are:

2130 & 4260
2130 & 6390
2130 & 8520
etc...

That is not all! Any combination of any multiple of 2130 and "odd" multiples of 2130 will also have GCF of 2130. 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 2130.

4260 & 6390
4260 & 10650
8520 & 10650
8520 & 14910
etc...

Like we stated above, there are infinite combinations of two numbers whose GCF is 2130. 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 2130, what are the numbers?" or "What are two numbers whose GCF is 2130?"

What two numbers have a GCF of 2131?
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