What two numbers have a GCF of 324?

Here we will explain and show you how to find what two numbers have the Greatest Common Factor (GCF) of 324.

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 324. Below is the beginning list of multiples of 324 (1 through 7) in numerical order.

1. 324
2. 648
3. 972
4. 1296
5. 1620
6. 1944
7. 2268
etc...

Two numbers that have a GCF of 324 can be 324 and any other number on the list above. Thus, two numbers that have a GCF of 324 are:

324 & 648
324 & 972
324 & 1296
etc...

That is not all! Any combination of any multiple of 324 and "odd" multiples of 324 will also have GCF of 324. 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 324.

648 & 972
648 & 1620
1296 & 1620
1296 & 2268
etc...

Like we stated above, there are infinite combinations of two numbers whose GCF is 324. 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 324, what are the numbers?" or "What are two numbers whose GCF is 324?"

What two numbers have a GCF of 325?
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