What two numbers have a GCF of 1590?

Here we will explain and show you how to find what two numbers have the Greatest Common Factor (GCF) of 1590.

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 1590. Below is the beginning list of multiples of 1590 (1 through 7) in numerical order.

1. 1590
2. 3180
3. 4770
4. 6360
5. 7950
6. 9540
7. 11130
etc...

Two numbers that have a GCF of 1590 can be 1590 and any other number on the list above. Thus, two numbers that have a GCF of 1590 are:

1590 & 3180
1590 & 4770
1590 & 6360
etc...

That is not all! Any combination of any multiple of 1590 and "odd" multiples of 1590 will also have GCF of 1590. 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 1590.

3180 & 4770
3180 & 7950
6360 & 7950
6360 & 11130
etc...

Like we stated above, there are infinite combinations of two numbers whose GCF is 1590. 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 1590, what are the numbers?" or "What are two numbers whose GCF is 1590?"

What two numbers have a GCF of 1591?
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