Q: What are the prime factors of the number 431,033,416?

 A: 2, 11, 509, 9623

Why are those the prime factors of the number 431,033,416?

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 431,033,416

431,033,416
Factor Arrows
2215,516,708
Factor Arrows
2107,758,354
Factor Arrows
253,879,177
Factor Arrows
114,898,107
Factor Arrows
5099,623

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, 11, 509, 9623

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 11 x 509 x 9,623 = 431,033,416

This can also be written as 23 x 111 x 5091 x 9,6231 = 431,033,416

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


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