Q: What are the prime factors of the number 575,406,128?

 A: 2, 11, 31, 263, 401

Why are those the prime factors of the number 575,406,128?

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 575,406,128

575,406,128
Factor Arrows
2287,703,064
Factor Arrows
2143,851,532
Factor Arrows
271,925,766
Factor Arrows
235,962,883
Factor Arrows
113,269,353
Factor Arrows
31105,463
Factor Arrows
263401

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, 11, 31, 263, 401

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 11 x 31 x 263 x 401 = 575,406,128

This can also be written as 24 x 111 x 311 x 2631 x 4011 = 575,406,128

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


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