Q: What are the prime factors of the number 411,301,408?

 A: 2, 7, 307, 5981

Why are those the prime factors of the number 411,301,408?

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 411,301,408

411,301,408
Factor Arrows
2205,650,704
Factor Arrows
2102,825,352
Factor Arrows
251,412,676
Factor Arrows
225,706,338
Factor Arrows
212,853,169
Factor Arrows
71,836,167
Factor Arrows
3075,981

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, 307, 5981

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 2 x 7 x 307 x 5,981 = 411,301,408

This can also be written as 25 x 71 x 3071 x 5,9811 = 411,301,408

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


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