What two numbers have a GCF of 571?

Here we will explain and show you how to find what two numbers have the Greatest Common Factor (GCF) of 571.

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 571. Below is the beginning list of multiples of 571 (1 through 7) in numerical order.

1. 571
2. 1142
3. 1713
4. 2284
5. 2855
6. 3426
7. 3997
etc...

Two numbers that have a GCF of 571 can be 571 and any other number on the list above. Thus, two numbers that have a GCF of 571 are:

571 & 1142
571 & 1713
571 & 2284
etc...

That is not all! Any combination of any multiple of 571 and "odd" multiples of 571 will also have GCF of 571. 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 571.

1142 & 1713
1142 & 2855
2284 & 2855
2284 & 3997
etc...

Like we stated above, there are infinite combinations of two numbers whose GCF is 571. 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 571, what are the numbers?" or "What are two numbers whose GCF is 571?"

What two numbers have a GCF of 572?
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