What two numbers have a GCF of 1284?

Here we will explain and show you how to find what two numbers have the Greatest Common Factor (GCF) of 1284.

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 1284. Below is the beginning list of multiples of 1284 (1 through 7) in numerical order.

1. 1284
2. 2568
3. 3852
4. 5136
5. 6420
6. 7704
7. 8988
etc...

Two numbers that have a GCF of 1284 can be 1284 and any other number on the list above. Thus, two numbers that have a GCF of 1284 are:

1284 & 2568
1284 & 3852
1284 & 5136
etc...

That is not all! Any combination of any multiple of 1284 and "odd" multiples of 1284 will also have GCF of 1284. 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 1284.

2568 & 3852
2568 & 6420
5136 & 6420
5136 & 8988
etc...

Like we stated above, there are infinite combinations of two numbers whose GCF is 1284. 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 1284, what are the numbers?" or "What are two numbers whose GCF is 1284?"

What two numbers have a GCF of 1285?
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