Q: What are the prime factors of the number 718,540,424?

 A: 2, 7, 23, 29, 19237

Why are those the prime factors of the number 718,540,424?

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 718,540,424

718,540,424
Factor Arrows
2359,270,212
Factor Arrows
2179,635,106
Factor Arrows
289,817,553
Factor Arrows
712,831,079
Factor Arrows
23557,873
Factor Arrows
2919,237

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:

2, 7, 23, 29, 19237

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 7 x 23 x 29 x 19,237 = 718,540,424

This can also be written as 23 x 71 x 231 x 291 x 19,2371 = 718,540,424

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 718,540,424:


Ask a Question