Q: What are the prime factors of the number 135,525,537?

 A: 3, 7, 19, 59, 101

Why are those the prime factors of the number 135,525,537?

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 135,525,537

135,525,537
Factor Arrows
345,175,179
Factor Arrows
315,058,393
Factor Arrows
72,151,199
Factor Arrows
19113,221
Factor Arrows
195,959
Factor Arrows
59101

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, 7, 19, 59, 101

We can check our work by multiplying all of the prime factors together: 3 x 3 x 7 x 19 x 19 x 59 x 101 = 135,525,537

This can also be written as 32 x 71 x 192 x 591 x 1011 = 135,525,537

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 135,525,537:


Ask a Question