Q: What are the prime factors of the number 154,251,250?

 A: 2, 5, 123401

Why are those the prime factors of the number 154,251,250?

Prime factors are the prime numbers that can be multipled together to equal the original number. You find the factors by dividing by prime numbers. It is best shown by creating a Factor Tree.

Factor Tree for the number 154,251,250

154,251,250
Factor Arrows
277,125,625
Factor Arrows
515,425,125
Factor Arrows
53,085,025
Factor Arrows
5617,005
Factor Arrows
5123,401

The numbers in bold above are the prime factors. If there are multiples, you only count them one time. This leads us to our prime factors of:

2, 5, 123401

We can check our work by multiplying all of the prime factors together: 2 x 5 x 5 x 5 x 5 x 123,401 = 154,251,250

This can also be written as 21 x 54 x 123,4011 = 154,251,250

If you would like to know more, or need additional explanation, please review our prime factorization explanation.


More Examples

Here are some more numbers to try:

Try the factor calculator

Explore more about the number 154,251,250:


Ask a Question