Q: What are the prime factors of the number 311,524,520?

 A: 2, 5, 7788113

Why are those the prime factors of the number 311,524,520?

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 311,524,520

311,524,520
Factor Arrows
2155,762,260
Factor Arrows
277,881,130
Factor Arrows
238,940,565
Factor Arrows
57,788,113

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, 7788113

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 5 x 7,788,113 = 311,524,520

This can also be written as 23 x 51 x 7,788,1131 = 311,524,520

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


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