Q: What are the prime factors of the number 358,275,424?

 A: 2, 13, 861239

Why are those the prime factors of the number 358,275,424?

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 358,275,424

358,275,424
Factor Arrows
2179,137,712
Factor Arrows
289,568,856
Factor Arrows
244,784,428
Factor Arrows
222,392,214
Factor Arrows
211,196,107
Factor Arrows
13861,239

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, 13, 861239

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 2 x 13 x 861,239 = 358,275,424

This can also be written as 25 x 131 x 861,2391 = 358,275,424

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


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