Q: What are the prime factors of the number 578,811,008?

 A: 2, 23, 421, 467

Why are those the prime factors of the number 578,811,008?

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 578,811,008

578,811,008
Factor Arrows
2289,405,504
Factor Arrows
2144,702,752
Factor Arrows
272,351,376
Factor Arrows
236,175,688
Factor Arrows
218,087,844
Factor Arrows
29,043,922
Factor Arrows
24,521,961
Factor Arrows
23196,607
Factor Arrows
421467

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, 23, 421, 467

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 2 x 2 x 2 x 23 x 421 x 467 = 578,811,008

This can also be written as 27 x 231 x 4211 x 4671 = 578,811,008

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


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