What two numbers have a GCF of 1245?

Here we will explain and show you how to find what two numbers have the Greatest Common Factor (GCF) of 1245.

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 1245. Below is the beginning list of multiples of 1245 (1 through 7) in numerical order.

1. 1245
2. 2490
3. 3735
4. 4980
5. 6225
6. 7470
7. 8715
etc...

Two numbers that have a GCF of 1245 can be 1245 and any other number on the list above. Thus, two numbers that have a GCF of 1245 are:

1245 & 2490
1245 & 3735
1245 & 4980
etc...

That is not all! Any combination of any multiple of 1245 and "odd" multiples of 1245 will also have GCF of 1245. 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 1245.

2490 & 3735
2490 & 6225
4980 & 6225
4980 & 8715
etc...

Like we stated above, there are infinite combinations of two numbers whose GCF is 1245. 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 1245, what are the numbers?" or "What are two numbers whose GCF is 1245?"

What two numbers have a GCF of 1246?
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