Q: What are the prime factors of the number 513,513,250?

 A: 2, 5, 61, 151, 223

Why are those the prime factors of the number 513,513,250?

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 513,513,250

513,513,250
Factor Arrows
2256,756,625
Factor Arrows
551,351,325
Factor Arrows
510,270,265
Factor Arrows
52,054,053
Factor Arrows
6133,673
Factor Arrows
151223

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, 5, 61, 151, 223

We can check our work by multiplying all of the prime factors together: 2 x 5 x 5 x 5 x 61 x 151 x 223 = 513,513,250

This can also be written as 21 x 53 x 611 x 1511 x 2231 = 513,513,250

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


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