What two numbers have a GCF of 160?

Here we will explain and show you how to find what two numbers have the Greatest Common Factor (GCF) of 160.

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 160. Below is the beginning list of multiples of 160 (1 through 7) in numerical order.

1. 160
2. 320
3. 480
4. 640
5. 800
6. 960
7. 1120
etc...

Two numbers that have a GCF of 160 can be 160 and any other number on the list above. Thus, two numbers that have a GCF of 160 are:

160 & 320
160 & 480
160 & 640
etc...

That is not all! Any combination of any multiple of 160 and "odd" multiples of 160 will also have GCF of 160. 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 160.

320 & 480
320 & 800
640 & 800
640 & 1120
etc...

Like we stated above, there are infinite combinations of two numbers whose GCF is 160. 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 160, what are the numbers?" or "What are two numbers whose GCF is 160?"

What two numbers have a GCF of 161?
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