What two numbers have a GCF of 861?

Here we will explain and show you how to find what two numbers have the Greatest Common Factor (GCF) of 861.

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 861. Below is the beginning list of multiples of 861 (1 through 7) in numerical order.

1. 861
2. 1722
3. 2583
4. 3444
5. 4305
6. 5166
7. 6027
etc...

Two numbers that have a GCF of 861 can be 861 and any other number on the list above. Thus, two numbers that have a GCF of 861 are:

861 & 1722
861 & 2583
861 & 3444
etc...

That is not all! Any combination of any multiple of 861 and "odd" multiples of 861 will also have GCF of 861. 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 861.

1722 & 2583
1722 & 4305
3444 & 4305
3444 & 6027
etc...

Like we stated above, there are infinite combinations of two numbers whose GCF is 861. 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 861, what are the numbers?" or "What are two numbers whose GCF is 861?"

What two numbers have a GCF of 862?
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