What two numbers have a GCF of 239?

Here we will explain and show you how to find what two numbers have the Greatest Common Factor (GCF) of 239.

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 239. Below is the beginning list of multiples of 239 (1 through 7) in numerical order.

1. 239
2. 478
3. 717
4. 956
5. 1195
6. 1434
7. 1673
etc...

Two numbers that have a GCF of 239 can be 239 and any other number on the list above. Thus, two numbers that have a GCF of 239 are:

239 & 478
239 & 717
239 & 956
etc...

That is not all! Any combination of any multiple of 239 and "odd" multiples of 239 will also have GCF of 239. 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 239.

478 & 717
478 & 1195
956 & 1195
956 & 1673
etc...

Like we stated above, there are infinite combinations of two numbers whose GCF is 239. 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 239, what are the numbers?" or "What are two numbers whose GCF is 239?"

What two numbers have a GCF of 240?
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