What two numbers have a GCF of 1398?

Here we will explain and show you how to find what two numbers have the Greatest Common Factor (GCF) of 1398.

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 1398. Below is the beginning list of multiples of 1398 (1 through 7) in numerical order.

1. 1398
2. 2796
3. 4194
4. 5592
5. 6990
6. 8388
7. 9786
etc...

Two numbers that have a GCF of 1398 can be 1398 and any other number on the list above. Thus, two numbers that have a GCF of 1398 are:

1398 & 2796
1398 & 4194
1398 & 5592
etc...

That is not all! Any combination of any multiple of 1398 and "odd" multiples of 1398 will also have GCF of 1398. 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 1398.

2796 & 4194
2796 & 6990
5592 & 6990
5592 & 9786
etc...

Like we stated above, there are infinite combinations of two numbers whose GCF is 1398. 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 1398, what are the numbers?" or "What are two numbers whose GCF is 1398?"

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