What two numbers have a GCF of 609?

Here we will explain and show you how to find what two numbers have the Greatest Common Factor (GCF) of 609.

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 609. Below is the beginning list of multiples of 609 (1 through 7) in numerical order.

1. 609
2. 1218
3. 1827
4. 2436
5. 3045
6. 3654
7. 4263
etc...

Two numbers that have a GCF of 609 can be 609 and any other number on the list above. Thus, two numbers that have a GCF of 609 are:

609 & 1218
609 & 1827
609 & 2436
etc...

That is not all! Any combination of any multiple of 609 and "odd" multiples of 609 will also have GCF of 609. 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 609.

1218 & 1827
1218 & 3045
2436 & 3045
2436 & 4263
etc...

Like we stated above, there are infinite combinations of two numbers whose GCF is 609. 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 609, what are the numbers?" or "What are two numbers whose GCF is 609?"

What two numbers have a GCF of 610?
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