What two numbers have a GCF of 581?

Here we will explain and show you how to find what two numbers have the Greatest Common Factor (GCF) of 581.

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 581. Below is the beginning list of multiples of 581 (1 through 7) in numerical order.

1. 581
2. 1162
3. 1743
4. 2324
5. 2905
6. 3486
7. 4067
etc...

Two numbers that have a GCF of 581 can be 581 and any other number on the list above. Thus, two numbers that have a GCF of 581 are:

581 & 1162
581 & 1743
581 & 2324
etc...

That is not all! Any combination of any multiple of 581 and "odd" multiples of 581 will also have GCF of 581. 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 581.

1162 & 1743
1162 & 2905
2324 & 2905
2324 & 4067
etc...

Like we stated above, there are infinite combinations of two numbers whose GCF is 581. 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 581, what are the numbers?" or "What are two numbers whose GCF is 581?"

What two numbers have a GCF of 582?
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