What two numbers have a GCF of 1100?

Here we will explain and show you how to find what two numbers have the Greatest Common Factor (GCF) of 1100.

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 1100. Below is the beginning list of multiples of 1100 (1 through 7) in numerical order.

1. 1100
2. 2200
3. 3300
4. 4400
5. 5500
6. 6600
7. 7700
etc...

Two numbers that have a GCF of 1100 can be 1100 and any other number on the list above. Thus, two numbers that have a GCF of 1100 are:

1100 & 2200
1100 & 3300
1100 & 4400
etc...

That is not all! Any combination of any multiple of 1100 and "odd" multiples of 1100 will also have GCF of 1100. 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 1100.

2200 & 3300
2200 & 5500
4400 & 5500
4400 & 7700
etc...

Like we stated above, there are infinite combinations of two numbers whose GCF is 1100. 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 1100, what are the numbers?" or "What are two numbers whose GCF is 1100?"

What two numbers have a GCF of 1101?
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