Q: What are the prime factors of the number 411,505,332?

 A: 2, 3, 7, 17, 5881

Why are those the prime factors of the number 411,505,332?

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 411,505,332

411,505,332
Factor Arrows
2205,752,666
Factor Arrows
2102,876,333
Factor Arrows
334,292,111
Factor Arrows
74,898,873
Factor Arrows
7699,839
Factor Arrows
799,977
Factor Arrows
175,881

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, 17, 5881

We can check our work by multiplying all of the prime factors together: 2 x 2 x 3 x 7 x 7 x 7 x 17 x 5,881 = 411,505,332

This can also be written as 22 x 31 x 73 x 171 x 5,8811 = 411,505,332

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


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