Q: What are the prime factors of the number 513,687,556?

 A: 2, 29, 71, 97, 643

Why are those the prime factors of the number 513,687,556?

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 513,687,556

513,687,556
Factor Arrows
2256,843,778
Factor Arrows
2128,421,889
Factor Arrows
294,428,341
Factor Arrows
7162,371
Factor Arrows
97643

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, 29, 71, 97, 643

We can check our work by multiplying all of the prime factors together: 2 x 2 x 29 x 71 x 97 x 643 = 513,687,556

This can also be written as 22 x 291 x 711 x 971 x 6431 = 513,687,556

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


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