What two numbers have a GCF of 1940?

Here we will explain and show you how to find what two numbers have the Greatest Common Factor (GCF) of 1940.

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 1940. Below is the beginning list of multiples of 1940 (1 through 7) in numerical order.

1. 1940
2. 3880
3. 5820
4. 7760
5. 9700
6. 11640
7. 13580
etc...

Two numbers that have a GCF of 1940 can be 1940 and any other number on the list above. Thus, two numbers that have a GCF of 1940 are:

1940 & 3880
1940 & 5820
1940 & 7760
etc...

That is not all! Any combination of any multiple of 1940 and "odd" multiples of 1940 will also have GCF of 1940. 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 1940.

3880 & 5820
3880 & 9700
7760 & 9700
7760 & 13580
etc...

Like we stated above, there are infinite combinations of two numbers whose GCF is 1940. 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 1940, what are the numbers?" or "What are two numbers whose GCF is 1940?"

What two numbers have a GCF of 1941?
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