Q: What are the prime factors of the number 311,103,756?

 A: 2, 3, 163, 53017

Why are those the prime factors of the number 311,103,756?

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 311,103,756

311,103,756
Factor Arrows
2155,551,878
Factor Arrows
277,775,939
Factor Arrows
325,925,313
Factor Arrows
38,641,771
Factor Arrows
16353,017

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, 163, 53017

We can check our work by multiplying all of the prime factors together: 2 x 2 x 3 x 3 x 163 x 53,017 = 311,103,756

This can also be written as 22 x 32 x 1631 x 53,0171 = 311,103,756

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


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