What two numbers have a GCF of 223?

Here we will explain and show you how to find what two numbers have the Greatest Common Factor (GCF) of 223.

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 223. Below is the beginning list of multiples of 223 (1 through 7) in numerical order.

1. 223
2. 446
3. 669
4. 892
5. 1115
6. 1338
7. 1561
etc...

Two numbers that have a GCF of 223 can be 223 and any other number on the list above. Thus, two numbers that have a GCF of 223 are:

223 & 446
223 & 669
223 & 892
etc...

That is not all! Any combination of any multiple of 223 and "odd" multiples of 223 will also have GCF of 223. 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 223.

446 & 669
446 & 1115
892 & 1115
892 & 1561
etc...

Like we stated above, there are infinite combinations of two numbers whose GCF is 223. 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 223, what are the numbers?" or "What are two numbers whose GCF is 223?"

What two numbers have a GCF of 224?
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