What two numbers have a GCF of 144?

Here we will explain and show you how to find what two numbers have the Greatest Common Factor (GCF) of 144.

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 144. Below is the beginning list of multiples of 144 (1 through 7) in numerical order.

1. 144
2. 288
3. 432
4. 576
5. 720
6. 864
7. 1008
etc...

Two numbers that have a GCF of 144 can be 144 and any other number on the list above. Thus, two numbers that have a GCF of 144 are:

144 & 288
144 & 432
144 & 576
etc...

That is not all! Any combination of any multiple of 144 and "odd" multiples of 144 will also have GCF of 144. 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 144.

288 & 432
288 & 720
576 & 720
576 & 1008
etc...

Like we stated above, there are infinite combinations of two numbers whose GCF is 144. 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 144, what are the numbers?" or "What are two numbers whose GCF is 144?"

What two numbers have a GCF of 145?
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