What two numbers have a GCF of 218?

Here we will explain and show you how to find what two numbers have the Greatest Common Factor (GCF) of 218.

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 218. Below is the beginning list of multiples of 218 (1 through 7) in numerical order.

1. 218
2. 436
3. 654
4. 872
5. 1090
6. 1308
7. 1526
etc...

Two numbers that have a GCF of 218 can be 218 and any other number on the list above. Thus, two numbers that have a GCF of 218 are:

218 & 436
218 & 654
218 & 872
etc...

That is not all! Any combination of any multiple of 218 and "odd" multiples of 218 will also have GCF of 218. 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 218.

436 & 654
436 & 1090
872 & 1090
872 & 1526
etc...

Like we stated above, there are infinite combinations of two numbers whose GCF is 218. 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 218, what are the numbers?" or "What are two numbers whose GCF is 218?"

What two numbers have a GCF of 219?
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