Q: What are the prime factors of the number 425,253,115?

 A: 5, 7, 35423

Why are those the prime factors of the number 425,253,115?

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 425,253,115

425,253,115
Factor Arrows
585,050,623
Factor Arrows
712,150,089
Factor Arrows
71,735,727
Factor Arrows
7247,961
Factor Arrows
735,423

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, 7, 35423

We can check our work by multiplying all of the prime factors together: 5 x 7 x 7 x 7 x 7 x 35,423 = 425,253,115

This can also be written as 51 x 74 x 35,4231 = 425,253,115

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


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