Q: What are the prime factors of the number 850,541,312?

 A: 2, 461, 7207

Why are those the prime factors of the number 850,541,312?

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 850,541,312

850,541,312
Factor Arrows
2425,270,656
Factor Arrows
2212,635,328
Factor Arrows
2106,317,664
Factor Arrows
253,158,832
Factor Arrows
226,579,416
Factor Arrows
213,289,708
Factor Arrows
26,644,854
Factor Arrows
23,322,427
Factor Arrows
4617,207

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, 461, 7207

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 2 x 2 x 2 x 2 x 461 x 7,207 = 850,541,312

This can also be written as 28 x 4611 x 7,2071 = 850,541,312

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


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