What two numbers have a GCF of 154?

Here we will explain and show you how to find what two numbers have the Greatest Common Factor (GCF) of 154.

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 154. Below is the beginning list of multiples of 154 (1 through 7) in numerical order.

1. 154
2. 308
3. 462
4. 616
5. 770
6. 924
7. 1078
etc...

Two numbers that have a GCF of 154 can be 154 and any other number on the list above. Thus, two numbers that have a GCF of 154 are:

154 & 308
154 & 462
154 & 616
etc...

That is not all! Any combination of any multiple of 154 and "odd" multiples of 154 will also have GCF of 154. 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 154.

308 & 462
308 & 770
616 & 770
616 & 1078
etc...

Like we stated above, there are infinite combinations of two numbers whose GCF is 154. 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 154, what are the numbers?" or "What are two numbers whose GCF is 154?"

What two numbers have a GCF of 155?
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