Q: What are the prime factors of the number 631,525,608?

 A: 2, 3, 7, 1253027

Why are those the prime factors of the number 631,525,608?

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 631,525,608

631,525,608
Factor Arrows
2315,762,804
Factor Arrows
2157,881,402
Factor Arrows
278,940,701
Factor Arrows
326,313,567
Factor Arrows
38,771,189
Factor Arrows
71,253,027

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, 3, 7, 1253027

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 3 x 3 x 7 x 1,253,027 = 631,525,608

This can also be written as 23 x 32 x 71 x 1,253,0271 = 631,525,608

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


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