Q: What are the prime factors of the number 453,545,312?

 A: 2, 11, 17, 75793

Why are those the prime factors of the number 453,545,312?

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 453,545,312

453,545,312
Factor Arrows
2226,772,656
Factor Arrows
2113,386,328
Factor Arrows
256,693,164
Factor Arrows
228,346,582
Factor Arrows
214,173,291
Factor Arrows
111,288,481
Factor Arrows
1775,793

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, 17, 75793

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 2 x 11 x 17 x 75,793 = 453,545,312

This can also be written as 25 x 111 x 171 x 75,7931 = 453,545,312

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


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