Q: What are the prime factors of the number 251,510,040?

 A: 2, 3, 5, 29, 24091

Why are those the prime factors of the number 251,510,040?

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 251,510,040

251,510,040
Factor Arrows
2125,755,020
Factor Arrows
262,877,510
Factor Arrows
231,438,755
Factor Arrows
310,479,585
Factor Arrows
33,493,195
Factor Arrows
5698,639
Factor Arrows
2924,091

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, 3, 5, 29, 24091

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 3 x 3 x 5 x 29 x 24,091 = 251,510,040

This can also be written as 23 x 32 x 51 x 291 x 24,0911 = 251,510,040

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 251,510,040:


Ask a Question