What two numbers have a GCF of 2580?

Here we will explain and show you how to find what two numbers have the Greatest Common Factor (GCF) of 2580.

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 2580. Below is the beginning list of multiples of 2580 (1 through 7) in numerical order.

1. 2580
2. 5160
3. 7740
4. 10320
5. 12900
6. 15480
7. 18060
etc...

Two numbers that have a GCF of 2580 can be 2580 and any other number on the list above. Thus, two numbers that have a GCF of 2580 are:

2580 & 5160
2580 & 7740
2580 & 10320
etc...

That is not all! Any combination of any multiple of 2580 and "odd" multiples of 2580 will also have GCF of 2580. 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 2580.

5160 & 7740
5160 & 12900
10320 & 12900
10320 & 18060
etc...

Like we stated above, there are infinite combinations of two numbers whose GCF is 2580. 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 2580, what are the numbers?" or "What are two numbers whose GCF is 2580?"

What two numbers have a GCF of 2581?
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