Q: What are the prime factors of the number 125,051,150?

 A: 2, 5, 7, 17, 21017

Why are those the prime factors of the number 125,051,150?

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 125,051,150

125,051,150
Factor Arrows
262,525,575
Factor Arrows
512,505,115
Factor Arrows
52,501,023
Factor Arrows
7357,289
Factor Arrows
1721,017

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, 5, 7, 17, 21017

We can check our work by multiplying all of the prime factors together: 2 x 5 x 5 x 7 x 17 x 21,017 = 125,051,150

This can also be written as 21 x 52 x 71 x 171 x 21,0171 = 125,051,150

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 125,051,150:


Ask a Question