Q: What are the prime factors of the number 151,021,234?

 A: 2, 7, 13, 17, 19, 367

Why are those the prime factors of the number 151,021,234?

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 151,021,234

151,021,234
Factor Arrows
275,510,617
Factor Arrows
710,787,231
Factor Arrows
71,541,033
Factor Arrows
13118,541
Factor Arrows
176,973
Factor Arrows
19367

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, 17, 19, 367

We can check our work by multiplying all of the prime factors together: 2 x 7 x 7 x 13 x 17 x 19 x 367 = 151,021,234

This can also be written as 21 x 72 x 131 x 171 x 191 x 3671 = 151,021,234

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 151,021,234:


Ask a Question