What two numbers have a GCF of 393?

Here we will explain and show you how to find what two numbers have the Greatest Common Factor (GCF) of 393.

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 393. Below is the beginning list of multiples of 393 (1 through 7) in numerical order.

1. 393
2. 786
3. 1179
4. 1572
5. 1965
6. 2358
7. 2751
etc...

Two numbers that have a GCF of 393 can be 393 and any other number on the list above. Thus, two numbers that have a GCF of 393 are:

393 & 786
393 & 1179
393 & 1572
etc...

That is not all! Any combination of any multiple of 393 and "odd" multiples of 393 will also have GCF of 393. 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 393.

786 & 1179
786 & 1965
1572 & 1965
1572 & 2751
etc...

Like we stated above, there are infinite combinations of two numbers whose GCF is 393. 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 393, what are the numbers?" or "What are two numbers whose GCF is 393?"

What two numbers have a GCF of 394?
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