What two numbers have a GCF of 1378?

Here we will explain and show you how to find what two numbers have the Greatest Common Factor (GCF) of 1378.

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 1378. Below is the beginning list of multiples of 1378 (1 through 7) in numerical order.

1. 1378
2. 2756
3. 4134
4. 5512
5. 6890
6. 8268
7. 9646
etc...

Two numbers that have a GCF of 1378 can be 1378 and any other number on the list above. Thus, two numbers that have a GCF of 1378 are:

1378 & 2756
1378 & 4134
1378 & 5512
etc...

That is not all! Any combination of any multiple of 1378 and "odd" multiples of 1378 will also have GCF of 1378. 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 1378.

2756 & 4134
2756 & 6890
5512 & 6890
5512 & 9646
etc...

Like we stated above, there are infinite combinations of two numbers whose GCF is 1378. 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 1378, what are the numbers?" or "What are two numbers whose GCF is 1378?"

What two numbers have a GCF of 1379?
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