Q: What are the prime factors of the number 357,576?

 A: 2, 3, 47, 317

Why are those the prime factors of the number 357,576?

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 357,576

357,576
Factor Arrows
2178,788
Factor Arrows
289,394
Factor Arrows
244,697
Factor Arrows
314,899
Factor Arrows
47317

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, 47, 317

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 3 x 47 x 317 = 357,576

This can also be written as 23 x 31 x 471 x 3171 = 357,576

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


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