What two numbers have a GCF of 287?

Here we will explain and show you how to find what two numbers have the Greatest Common Factor (GCF) of 287.

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 287. Below is the beginning list of multiples of 287 (1 through 7) in numerical order.

1. 287
2. 574
3. 861
4. 1148
5. 1435
6. 1722
7. 2009
etc...

Two numbers that have a GCF of 287 can be 287 and any other number on the list above. Thus, two numbers that have a GCF of 287 are:

287 & 574
287 & 861
287 & 1148
etc...

That is not all! Any combination of any multiple of 287 and "odd" multiples of 287 will also have GCF of 287. 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 287.

574 & 861
574 & 1435
1148 & 1435
1148 & 2009
etc...

Like we stated above, there are infinite combinations of two numbers whose GCF is 287. 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 287, what are the numbers?" or "What are two numbers whose GCF is 287?"

What two numbers have a GCF of 288?
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