What two numbers have a GCF of 204?

Here we will explain and show you how to find what two numbers have the Greatest Common Factor (GCF) of 204.

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 204. Below is the beginning list of multiples of 204 (1 through 7) in numerical order.

1. 204
2. 408
3. 612
4. 816
5. 1020
6. 1224
7. 1428
etc...

Two numbers that have a GCF of 204 can be 204 and any other number on the list above. Thus, two numbers that have a GCF of 204 are:

204 & 408
204 & 612
204 & 816
etc...

That is not all! Any combination of any multiple of 204 and "odd" multiples of 204 will also have GCF of 204. 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 204.

408 & 612
408 & 1020
816 & 1020
816 & 1428
etc...

Like we stated above, there are infinite combinations of two numbers whose GCF is 204. 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 204, what are the numbers?" or "What are two numbers whose GCF is 204?"

What two numbers have a GCF of 205?
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