What two numbers have a GCF of 841?

Here we will explain and show you how to find what two numbers have the Greatest Common Factor (GCF) of 841.

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 841. Below is the beginning list of multiples of 841 (1 through 7) in numerical order.

1. 841
2. 1682
3. 2523
4. 3364
5. 4205
6. 5046
7. 5887
etc...

Two numbers that have a GCF of 841 can be 841 and any other number on the list above. Thus, two numbers that have a GCF of 841 are:

841 & 1682
841 & 2523
841 & 3364
etc...

That is not all! Any combination of any multiple of 841 and "odd" multiples of 841 will also have GCF of 841. 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 841.

1682 & 2523
1682 & 4205
3364 & 4205
3364 & 5887
etc...

Like we stated above, there are infinite combinations of two numbers whose GCF is 841. 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 841, what are the numbers?" or "What are two numbers whose GCF is 841?"

What two numbers have a GCF of 842?
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