What two numbers have a GCF of 851?

Here we will explain and show you how to find what two numbers have the Greatest Common Factor (GCF) of 851.

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 851. Below is the beginning list of multiples of 851 (1 through 7) in numerical order.

1. 851
2. 1702
3. 2553
4. 3404
5. 4255
6. 5106
7. 5957
etc...

Two numbers that have a GCF of 851 can be 851 and any other number on the list above. Thus, two numbers that have a GCF of 851 are:

851 & 1702
851 & 2553
851 & 3404
etc...

That is not all! Any combination of any multiple of 851 and "odd" multiples of 851 will also have GCF of 851. 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 851.

1702 & 2553
1702 & 4255
3404 & 4255
3404 & 5957
etc...

Like we stated above, there are infinite combinations of two numbers whose GCF is 851. 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 851, what are the numbers?" or "What are two numbers whose GCF is 851?"

What two numbers have a GCF of 852?
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