Q: What are the prime factors of the number 30,461,158?

 A: 2, 7, 13, 31, 5399

Why are those the prime factors of the number 30,461,158?

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 30,461,158

30,461,158
Factor Arrows
215,230,579
Factor Arrows
72,175,797
Factor Arrows
13167,369
Factor Arrows
315,399

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, 7, 13, 31, 5399

We can check our work by multiplying all of the prime factors together: 2 x 7 x 13 x 31 x 5,399 = 30,461,158

This can also be written as 21 x 71 x 131 x 311 x 5,3991 = 30,461,158

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 30,461,158:


Ask a Question