Q: What are the prime factors of the number 411,231,128?

 A: 2, 7, 11, 95369

Why are those the prime factors of the number 411,231,128?

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 411,231,128

411,231,128
Factor Arrows
2205,615,564
Factor Arrows
2102,807,782
Factor Arrows
251,403,891
Factor Arrows
77,343,413
Factor Arrows
71,049,059
Factor Arrows
1195,369

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, 7, 11, 95369

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 7 x 7 x 11 x 95,369 = 411,231,128

This can also be written as 23 x 72 x 111 x 95,3691 = 411,231,128

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


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