Q: What are the prime factors of the number 120,530,525?

 A: 5, 29, 83, 2003

Why are those the prime factors of the number 120,530,525?

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 120,530,525

120,530,525
Factor Arrows
524,106,105
Factor Arrows
54,821,221
Factor Arrows
29166,249
Factor Arrows
832,003

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:

5, 29, 83, 2003

We can check our work by multiplying all of the prime factors together: 5 x 5 x 29 x 83 x 2,003 = 120,530,525

This can also be written as 52 x 291 x 831 x 2,0031 = 120,530,525

If you would like to know more, or need additional explanation, please review our prime factorization explanation.


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