What two numbers have a GCF of 817?

Here we will explain and show you how to find what two numbers have the Greatest Common Factor (GCF) of 817.

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 817. Below is the beginning list of multiples of 817 (1 through 7) in numerical order.

1. 817
2. 1634
3. 2451
4. 3268
5. 4085
6. 4902
7. 5719
etc...

Two numbers that have a GCF of 817 can be 817 and any other number on the list above. Thus, two numbers that have a GCF of 817 are:

817 & 1634
817 & 2451
817 & 3268
etc...

That is not all! Any combination of any multiple of 817 and "odd" multiples of 817 will also have GCF of 817. 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 817.

1634 & 2451
1634 & 4085
3268 & 4085
3268 & 5719
etc...

Like we stated above, there are infinite combinations of two numbers whose GCF is 817. 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 817, what are the numbers?" or "What are two numbers whose GCF is 817?"

What two numbers have a GCF of 818?
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