Q: What are the prime factors of the number 310,950?

 A: 2, 3, 5, 691

Why are those the prime factors of the number 310,950?

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 310,950

310,950
Factor Arrows
2155,475
Factor Arrows
351,825
Factor Arrows
317,275
Factor Arrows
53,455
Factor Arrows
5691

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, 5, 691

We can check our work by multiplying all of the prime factors together: 2 x 3 x 3 x 5 x 5 x 691 = 310,950

This can also be written as 21 x 32 x 52 x 6911 = 310,950

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


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