What two numbers have a GCF of 631?

Here we will explain and show you how to find what two numbers have the Greatest Common Factor (GCF) of 631.

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 631. Below is the beginning list of multiples of 631 (1 through 7) in numerical order.

1. 631
2. 1262
3. 1893
4. 2524
5. 3155
6. 3786
7. 4417
etc...

Two numbers that have a GCF of 631 can be 631 and any other number on the list above. Thus, two numbers that have a GCF of 631 are:

631 & 1262
631 & 1893
631 & 2524
etc...

That is not all! Any combination of any multiple of 631 and "odd" multiples of 631 will also have GCF of 631. 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 631.

1262 & 1893
1262 & 3155
2524 & 3155
2524 & 4417
etc...

Like we stated above, there are infinite combinations of two numbers whose GCF is 631. 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 631, what are the numbers?" or "What are two numbers whose GCF is 631?"

What two numbers have a GCF of 632?
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