What two numbers have a GCF of 1685?

Here we will explain and show you how to find what two numbers have the Greatest Common Factor (GCF) of 1685.

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 1685. Below is the beginning list of multiples of 1685 (1 through 7) in numerical order.

1. 1685
2. 3370
3. 5055
4. 6740
5. 8425
6. 10110
7. 11795
etc...

Two numbers that have a GCF of 1685 can be 1685 and any other number on the list above. Thus, two numbers that have a GCF of 1685 are:

1685 & 3370
1685 & 5055
1685 & 6740
etc...

That is not all! Any combination of any multiple of 1685 and "odd" multiples of 1685 will also have GCF of 1685. 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 1685.

3370 & 5055
3370 & 8425
6740 & 8425
6740 & 11795
etc...

Like we stated above, there are infinite combinations of two numbers whose GCF is 1685. 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 1685, what are the numbers?" or "What are two numbers whose GCF is 1685?"

What two numbers have a GCF of 1686?
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