What two numbers have a GCF of 771?

Here we will explain and show you how to find what two numbers have the Greatest Common Factor (GCF) of 771.

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 771. Below is the beginning list of multiples of 771 (1 through 7) in numerical order.

1. 771
2. 1542
3. 2313
4. 3084
5. 3855
6. 4626
7. 5397
etc...

Two numbers that have a GCF of 771 can be 771 and any other number on the list above. Thus, two numbers that have a GCF of 771 are:

771 & 1542
771 & 2313
771 & 3084
etc...

That is not all! Any combination of any multiple of 771 and "odd" multiples of 771 will also have GCF of 771. 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 771.

1542 & 2313
1542 & 3855
3084 & 3855
3084 & 5397
etc...

Like we stated above, there are infinite combinations of two numbers whose GCF is 771. 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 771, what are the numbers?" or "What are two numbers whose GCF is 771?"

What two numbers have a GCF of 772?
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