Q: What are the prime factors of the number 431,205,552?

 A: 2, 3, 998161

Why are those the prime factors of the number 431,205,552?

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 431,205,552

431,205,552
Factor Arrows
2215,602,776
Factor Arrows
2107,801,388
Factor Arrows
253,900,694
Factor Arrows
226,950,347
Factor Arrows
38,983,449
Factor Arrows
32,994,483
Factor Arrows
3998,161

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, 998161

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 3 x 3 x 3 x 998,161 = 431,205,552

This can also be written as 24 x 33 x 998,1611 = 431,205,552

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


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