Q: What are the prime factors of the number 343,258,388?

 A: 2, 11, 383, 20369

Why are those the prime factors of the number 343,258,388?

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 343,258,388

343,258,388
Factor Arrows
2171,629,194
Factor Arrows
285,814,597
Factor Arrows
117,801,327
Factor Arrows
38320,369

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, 11, 383, 20369

We can check our work by multiplying all of the prime factors together: 2 x 2 x 11 x 383 x 20,369 = 343,258,388

This can also be written as 22 x 111 x 3831 x 20,3691 = 343,258,388

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


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