Q: What are the prime factors of the number 135,726,580?

 A: 2, 5, 11, 83, 7433

Why are those the prime factors of the number 135,726,580?

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 135,726,580

135,726,580
Factor Arrows
267,863,290
Factor Arrows
233,931,645
Factor Arrows
56,786,329
Factor Arrows
11616,939
Factor Arrows
837,433

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, 11, 83, 7433

We can check our work by multiplying all of the prime factors together: 2 x 2 x 5 x 11 x 83 x 7,433 = 135,726,580

This can also be written as 22 x 51 x 111 x 831 x 7,4331 = 135,726,580

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


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