Q: What are the prime factors of the number 140,502,258?

 A: 2, 3, 13, 53, 11329

Why are those the prime factors of the number 140,502,258?

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 140,502,258

140,502,258
Factor Arrows
270,251,129
Factor Arrows
323,417,043
Factor Arrows
37,805,681
Factor Arrows
13600,437
Factor Arrows
5311,329

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, 13, 53, 11329

We can check our work by multiplying all of the prime factors together: 2 x 3 x 3 x 13 x 53 x 11,329 = 140,502,258

This can also be written as 21 x 32 x 131 x 531 x 11,3291 = 140,502,258

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 140,502,258:


Ask a Question