Q: What are the prime factors of the number 115,456,642?

 A: 2, 7, 23, 181, 283

Why are those the prime factors of the number 115,456,642?

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 115,456,642

115,456,642
Factor Arrows
257,728,321
Factor Arrows
78,246,903
Factor Arrows
71,178,129
Factor Arrows
2351,223
Factor Arrows
181283

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, 181, 283

We can check our work by multiplying all of the prime factors together: 2 x 7 x 7 x 23 x 181 x 283 = 115,456,642

This can also be written as 21 x 72 x 231 x 1811 x 2831 = 115,456,642

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 115,456,642:


Ask a Question