Q: What are the prime factors of the number 357,331,232?

 A: 2, 151, 73951

Why are those the prime factors of the number 357,331,232?

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 357,331,232

357,331,232
Factor Arrows
2178,665,616
Factor Arrows
289,332,808
Factor Arrows
244,666,404
Factor Arrows
222,333,202
Factor Arrows
211,166,601
Factor Arrows
15173,951

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, 151, 73951

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 2 x 151 x 73,951 = 357,331,232

This can also be written as 25 x 1511 x 73,9511 = 357,331,232

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


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