What two numbers have a GCF of 543?

Here we will explain and show you how to find what two numbers have the Greatest Common Factor (GCF) of 543.

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 543. Below is the beginning list of multiples of 543 (1 through 7) in numerical order.

1. 543
2. 1086
3. 1629
4. 2172
5. 2715
6. 3258
7. 3801
etc...

Two numbers that have a GCF of 543 can be 543 and any other number on the list above. Thus, two numbers that have a GCF of 543 are:

543 & 1086
543 & 1629
543 & 2172
etc...

That is not all! Any combination of any multiple of 543 and "odd" multiples of 543 will also have GCF of 543. 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 543.

1086 & 1629
1086 & 2715
2172 & 2715
2172 & 3801
etc...

Like we stated above, there are infinite combinations of two numbers whose GCF is 543. 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 543, what are the numbers?" or "What are two numbers whose GCF is 543?"

What two numbers have a GCF of 544?
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