Q: What are the prime factors of the number 310,311,216?

 A: 2, 3, 23, 31231

Why are those the prime factors of the number 310,311,216?

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 310,311,216

310,311,216
Factor Arrows
2155,155,608
Factor Arrows
277,577,804
Factor Arrows
238,788,902
Factor Arrows
219,394,451
Factor Arrows
36,464,817
Factor Arrows
32,154,939
Factor Arrows
3718,313
Factor Arrows
2331,231

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, 23, 31231

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 3 x 3 x 3 x 23 x 31,231 = 310,311,216

This can also be written as 24 x 33 x 231 x 31,2311 = 310,311,216

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


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