Q: What are the prime factors of the number 256,016,517?

 A: 3, 59, 101, 14321

Why are those the prime factors of the number 256,016,517?

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 256,016,517

256,016,517
Factor Arrows
385,338,839
Factor Arrows
591,446,421
Factor Arrows
10114,321

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, 59, 101, 14321

We can check our work by multiplying all of the prime factors together: 3 x 59 x 101 x 14,321 = 256,016,517

This can also be written as 31 x 591 x 1011 x 14,3211 = 256,016,517

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


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