Q: What are the prime factors of the number 154,122,507?

 A: 3, 7, 11, 8237

Why are those the prime factors of the number 154,122,507?

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 154,122,507

154,122,507
Factor Arrows
351,374,169
Factor Arrows
317,124,723
Factor Arrows
35,708,241
Factor Arrows
31,902,747
Factor Arrows
3634,249
Factor Arrows
790,607
Factor Arrows
118,237

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:

3, 7, 11, 8237

We can check our work by multiplying all of the prime factors together: 3 x 3 x 3 x 3 x 3 x 7 x 11 x 8,237 = 154,122,507

This can also be written as 35 x 71 x 111 x 8,2371 = 154,122,507

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 154,122,507:


Ask a Question