What two numbers have a GCF of 33?

Here we will explain and show you how to find what two numbers have the Greatest Common Factor (GCF) of 33.

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 33. Below is the beginning list of multiples of 33 (1 through 7) in numerical order.

1. 33
2. 66
3. 99
4. 132
5. 165
6. 198
7. 231
etc...

Two numbers that have a GCF of 33 can be 33 and any other number on the list above. Thus, two numbers that have a GCF of 33 are:

33 & 66
33 & 99
33 & 132
etc...

That is not all! Any combination of any multiple of 33 and "odd" multiples of 33 will also have GCF of 33. 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 33.

66 & 99
66 & 165
132 & 165
132 & 231
etc...

Like we stated above, there are infinite combinations of two numbers whose GCF is 33. 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 33, what are the numbers?" or "What are two numbers whose GCF is 33?"

What two numbers have a GCF of 34?
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