What two numbers have a GCF of 2124?

Here we will explain and show you how to find what two numbers have the Greatest Common Factor (GCF) of 2124.

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 2124. Below is the beginning list of multiples of 2124 (1 through 7) in numerical order.

1. 2124
2. 4248
3. 6372
4. 8496
5. 10620
6. 12744
7. 14868
etc...

Two numbers that have a GCF of 2124 can be 2124 and any other number on the list above. Thus, two numbers that have a GCF of 2124 are:

2124 & 4248
2124 & 6372
2124 & 8496
etc...

That is not all! Any combination of any multiple of 2124 and "odd" multiples of 2124 will also have GCF of 2124. 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 2124.

4248 & 6372
4248 & 10620
8496 & 10620
8496 & 14868
etc...

Like we stated above, there are infinite combinations of two numbers whose GCF is 2124. 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 2124, what are the numbers?" or "What are two numbers whose GCF is 2124?"

What two numbers have a GCF of 2125?
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