Q: What are the prime factors of the number 145,513,125?

 A: 3, 5, 8623

Why are those the prime factors of the number 145,513,125?

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 145,513,125

145,513,125
Factor Arrows
348,504,375
Factor Arrows
316,168,125
Factor Arrows
35,389,375
Factor Arrows
51,077,875
Factor Arrows
5215,575
Factor Arrows
543,115
Factor Arrows
58,623

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:

3, 5, 8623

We can check our work by multiplying all of the prime factors together: 3 x 3 x 3 x 5 x 5 x 5 x 5 x 8,623 = 145,513,125

This can also be written as 33 x 54 x 8,6231 = 145,513,125

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 145,513,125:


Ask a Question