What two numbers have a GCF of 1391?

Here we will explain and show you how to find what two numbers have the Greatest Common Factor (GCF) of 1391.

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 1391. Below is the beginning list of multiples of 1391 (1 through 7) in numerical order.

1. 1391
2. 2782
3. 4173
4. 5564
5. 6955
6. 8346
7. 9737
etc...

Two numbers that have a GCF of 1391 can be 1391 and any other number on the list above. Thus, two numbers that have a GCF of 1391 are:

1391 & 2782
1391 & 4173
1391 & 5564
etc...

That is not all! Any combination of any multiple of 1391 and "odd" multiples of 1391 will also have GCF of 1391. 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 1391.

2782 & 4173
2782 & 6955
5564 & 6955
5564 & 9737
etc...

Like we stated above, there are infinite combinations of two numbers whose GCF is 1391. 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 1391, what are the numbers?" or "What are two numbers whose GCF is 1391?"

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