What two numbers have a GCF of 878?

Here we will explain and show you how to find what two numbers have the Greatest Common Factor (GCF) of 878.

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 878. Below is the beginning list of multiples of 878 (1 through 7) in numerical order.

1. 878
2. 1756
3. 2634
4. 3512
5. 4390
6. 5268
7. 6146
etc...

Two numbers that have a GCF of 878 can be 878 and any other number on the list above. Thus, two numbers that have a GCF of 878 are:

878 & 1756
878 & 2634
878 & 3512
etc...

That is not all! Any combination of any multiple of 878 and "odd" multiples of 878 will also have GCF of 878. 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 878.

1756 & 2634
1756 & 4390
3512 & 4390
3512 & 6146
etc...

Like we stated above, there are infinite combinations of two numbers whose GCF is 878. 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 878, what are the numbers?" or "What are two numbers whose GCF is 878?"

What two numbers have a GCF of 879?
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