What two numbers have a GCF of 1687?

Here we will explain and show you how to find what two numbers have the Greatest Common Factor (GCF) of 1687.

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 1687. Below is the beginning list of multiples of 1687 (1 through 7) in numerical order.

1. 1687
2. 3374
3. 5061
4. 6748
5. 8435
6. 10122
7. 11809
etc...

Two numbers that have a GCF of 1687 can be 1687 and any other number on the list above. Thus, two numbers that have a GCF of 1687 are:

1687 & 3374
1687 & 5061
1687 & 6748
etc...

That is not all! Any combination of any multiple of 1687 and "odd" multiples of 1687 will also have GCF of 1687. 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 1687.

3374 & 5061
3374 & 8435
6748 & 8435
6748 & 11809
etc...

Like we stated above, there are infinite combinations of two numbers whose GCF is 1687. 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 1687, what are the numbers?" or "What are two numbers whose GCF is 1687?"

What two numbers have a GCF of 1688?
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