What two numbers have a GCF of 308?

Here we will explain and show you how to find what two numbers have the Greatest Common Factor (GCF) of 308.

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 308. Below is the beginning list of multiples of 308 (1 through 7) in numerical order.

1. 308
2. 616
3. 924
4. 1232
5. 1540
6. 1848
7. 2156
etc...

Two numbers that have a GCF of 308 can be 308 and any other number on the list above. Thus, two numbers that have a GCF of 308 are:

308 & 616
308 & 924
308 & 1232
etc...

That is not all! Any combination of any multiple of 308 and "odd" multiples of 308 will also have GCF of 308. 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 308.

616 & 924
616 & 1540
1232 & 1540
1232 & 2156
etc...

Like we stated above, there are infinite combinations of two numbers whose GCF is 308. 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 308, what are the numbers?" or "What are two numbers whose GCF is 308?"

What two numbers have a GCF of 309?
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