Q: What are the prime factors of the number 89,507,385?

 A: 3, 5, 11, 19, 31, 307

Why are those the prime factors of the number 89,507,385?

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 89,507,385

89,507,385
Factor Arrows
329,835,795
Factor Arrows
39,945,265
Factor Arrows
51,989,053
Factor Arrows
11180,823
Factor Arrows
199,517
Factor Arrows
31307

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, 11, 19, 31, 307

We can check our work by multiplying all of the prime factors together: 3 x 3 x 5 x 11 x 19 x 31 x 307 = 89,507,385

This can also be written as 32 x 51 x 111 x 191 x 311 x 3071 = 89,507,385

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 89,507,385:


Ask a Question