Q: What are the prime factors of the number 357,307,350?

 A: 2, 3, 5, 19, 125371

Why are those the prime factors of the number 357,307,350?

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 357,307,350

357,307,350
Factor Arrows
2178,653,675
Factor Arrows
359,551,225
Factor Arrows
511,910,245
Factor Arrows
52,382,049
Factor Arrows
19125,371

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, 3, 5, 19, 125371

We can check our work by multiplying all of the prime factors together: 2 x 3 x 5 x 5 x 19 x 125,371 = 357,307,350

This can also be written as 21 x 31 x 52 x 191 x 125,3711 = 357,307,350

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


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