Q: What are the prime factors of the number 313,102,218?

 A: 2, 3, 11, 13, 364921

Why are those the prime factors of the number 313,102,218?

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 313,102,218

313,102,218
Factor Arrows
2156,551,109
Factor Arrows
352,183,703
Factor Arrows
114,743,973
Factor Arrows
13364,921

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, 11, 13, 364921

We can check our work by multiplying all of the prime factors together: 2 x 3 x 11 x 13 x 364,921 = 313,102,218

This can also be written as 21 x 31 x 111 x 131 x 364,9211 = 313,102,218

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


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