Q: What are the prime factors of the number 558,255,831?

 A: 3, 7, 139, 191249

Why are those the prime factors of the number 558,255,831?

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 558,255,831

558,255,831
Factor Arrows
3186,085,277
Factor Arrows
726,583,611
Factor Arrows
139191,249

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:

3, 7, 139, 191249

We can check our work by multiplying all of the prime factors together: 3 x 7 x 139 x 191,249 = 558,255,831

This can also be written as 31 x 71 x 1391 x 191,2491 = 558,255,831

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


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