Q: What are the prime factors of the number 203,250,521?

 A: 17, 647, 1087

Why are those the prime factors of the number 203,250,521?

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 203,250,521

203,250,521
Factor Arrows
1711,955,913
Factor Arrows
17703,289
Factor Arrows
6471,087

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:

17, 647, 1087

We can check our work by multiplying all of the prime factors together: 17 x 17 x 647 x 1,087 = 203,250,521

This can also be written as 172 x 6471 x 1,0871 = 203,250,521

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


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