What two numbers have a GCF of 921?

Here we will explain and show you how to find what two numbers have the Greatest Common Factor (GCF) of 921.

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 921. Below is the beginning list of multiples of 921 (1 through 7) in numerical order.

1. 921
2. 1842
3. 2763
4. 3684
5. 4605
6. 5526
7. 6447
etc...

Two numbers that have a GCF of 921 can be 921 and any other number on the list above. Thus, two numbers that have a GCF of 921 are:

921 & 1842
921 & 2763
921 & 3684
etc...

That is not all! Any combination of any multiple of 921 and "odd" multiples of 921 will also have GCF of 921. 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 921.

1842 & 2763
1842 & 4605
3684 & 4605
3684 & 6447
etc...

Like we stated above, there are infinite combinations of two numbers whose GCF is 921. 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 921, what are the numbers?" or "What are two numbers whose GCF is 921?"

What two numbers have a GCF of 922?
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