Q: What are the prime factors of the number 521,525,072?

 A: 2, 19, 59, 29077

Why are those the prime factors of the number 521,525,072?

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 521,525,072

521,525,072
Factor Arrows
2260,762,536
Factor Arrows
2130,381,268
Factor Arrows
265,190,634
Factor Arrows
232,595,317
Factor Arrows
191,715,543
Factor Arrows
5929,077

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, 19, 59, 29077

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 19 x 59 x 29,077 = 521,525,072

This can also be written as 24 x 191 x 591 x 29,0771 = 521,525,072

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


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