What two numbers have a GCF of 491?

Here we will explain and show you how to find what two numbers have the Greatest Common Factor (GCF) of 491.

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 491. Below is the beginning list of multiples of 491 (1 through 7) in numerical order.

1. 491
2. 982
3. 1473
4. 1964
5. 2455
6. 2946
7. 3437
etc...

Two numbers that have a GCF of 491 can be 491 and any other number on the list above. Thus, two numbers that have a GCF of 491 are:

491 & 982
491 & 1473
491 & 1964
etc...

That is not all! Any combination of any multiple of 491 and "odd" multiples of 491 will also have GCF of 491. 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 491.

982 & 1473
982 & 2455
1964 & 2455
1964 & 3437
etc...

Like we stated above, there are infinite combinations of two numbers whose GCF is 491. 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 491, what are the numbers?" or "What are two numbers whose GCF is 491?"

What two numbers have a GCF of 492?
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