What two numbers have a GCF of 1224?

Here we will explain and show you how to find what two numbers have the Greatest Common Factor (GCF) of 1224.

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 1224. Below is the beginning list of multiples of 1224 (1 through 7) in numerical order.

1. 1224
2. 2448
3. 3672
4. 4896
5. 6120
6. 7344
7. 8568
etc...

Two numbers that have a GCF of 1224 can be 1224 and any other number on the list above. Thus, two numbers that have a GCF of 1224 are:

1224 & 2448
1224 & 3672
1224 & 4896
etc...

That is not all! Any combination of any multiple of 1224 and "odd" multiples of 1224 will also have GCF of 1224. 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 1224.

2448 & 3672
2448 & 6120
4896 & 6120
4896 & 8568
etc...

Like we stated above, there are infinite combinations of two numbers whose GCF is 1224. 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 1224, what are the numbers?" or "What are two numbers whose GCF is 1224?"

What two numbers have a GCF of 1225?
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