Q: What are the prime factors of the number 327,212,649?

 A: 3, 157, 77191

Why are those the prime factors of the number 327,212,649?

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 327,212,649

327,212,649
Factor Arrows
3109,070,883
Factor Arrows
336,356,961
Factor Arrows
312,118,987
Factor Arrows
15777,191

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:

3, 157, 77191

We can check our work by multiplying all of the prime factors together: 3 x 3 x 3 x 157 x 77,191 = 327,212,649

This can also be written as 33 x 1571 x 77,1911 = 327,212,649

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


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