Q: What are the prime factors of the number 257,676,167?

 A: 7, 43, 257, 3331

Why are those the prime factors of the number 257,676,167?

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 257,676,167

257,676,167
Factor Arrows
736,810,881
Factor Arrows
43856,067
Factor Arrows
2573,331

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:

7, 43, 257, 3331

We can check our work by multiplying all of the prime factors together: 7 x 43 x 257 x 3,331 = 257,676,167

This can also be written as 71 x 431 x 2571 x 3,3311 = 257,676,167

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


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