Q: What are the prime factors of the number 851,950?

 A: 2, 5, 11, 1549

Why are those the prime factors of the number 851,950?

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 851,950

851,950
Factor Arrows
2425,975
Factor Arrows
585,195
Factor Arrows
517,039
Factor Arrows
111,549

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, 5, 11, 1549

We can check our work by multiplying all of the prime factors together: 2 x 5 x 5 x 11 x 1,549 = 851,950

This can also be written as 21 x 52 x 111 x 1,5491 = 851,950

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


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