Q: What are the prime factors of the number 115,315,329?

 A: 3, 41, 197, 4759

Why are those the prime factors of the number 115,315,329?

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 115,315,329

115,315,329
Factor Arrows
338,438,443
Factor Arrows
41937,523
Factor Arrows
1974,759

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, 41, 197, 4759

We can check our work by multiplying all of the prime factors together: 3 x 41 x 197 x 4,759 = 115,315,329

This can also be written as 31 x 411 x 1971 x 4,7591 = 115,315,329

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


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