Q: What are the prime factors of the number 478,323,571?

 A: 11, 23, 167, 11321

Why are those the prime factors of the number 478,323,571?

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 478,323,571

478,323,571
Factor Arrows
1143,483,961
Factor Arrows
231,890,607
Factor Arrows
16711,321

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:

11, 23, 167, 11321

We can check our work by multiplying all of the prime factors together: 11 x 23 x 167 x 11,321 = 478,323,571

This can also be written as 111 x 231 x 1671 x 11,3211 = 478,323,571

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


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