What two numbers have a GCF of 857?

Here we will explain and show you how to find what two numbers have the Greatest Common Factor (GCF) of 857.

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 857. Below is the beginning list of multiples of 857 (1 through 7) in numerical order.

1. 857
2. 1714
3. 2571
4. 3428
5. 4285
6. 5142
7. 5999
etc...

Two numbers that have a GCF of 857 can be 857 and any other number on the list above. Thus, two numbers that have a GCF of 857 are:

857 & 1714
857 & 2571
857 & 3428
etc...

That is not all! Any combination of any multiple of 857 and "odd" multiples of 857 will also have GCF of 857. 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 857.

1714 & 2571
1714 & 4285
3428 & 4285
3428 & 5999
etc...

Like we stated above, there are infinite combinations of two numbers whose GCF is 857. 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 857, what are the numbers?" or "What are two numbers whose GCF is 857?"

What two numbers have a GCF of 858?
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