What two numbers have a GCF of 628?

Here we will explain and show you how to find what two numbers have the Greatest Common Factor (GCF) of 628.

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 628. Below is the beginning list of multiples of 628 (1 through 7) in numerical order.

1. 628
2. 1256
3. 1884
4. 2512
5. 3140
6. 3768
7. 4396
etc...

Two numbers that have a GCF of 628 can be 628 and any other number on the list above. Thus, two numbers that have a GCF of 628 are:

628 & 1256
628 & 1884
628 & 2512
etc...

That is not all! Any combination of any multiple of 628 and "odd" multiples of 628 will also have GCF of 628. 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 628.

1256 & 1884
1256 & 3140
2512 & 3140
2512 & 4396
etc...

Like we stated above, there are infinite combinations of two numbers whose GCF is 628. 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 628, what are the numbers?" or "What are two numbers whose GCF is 628?"

What two numbers have a GCF of 629?
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