Q: What are the prime factors of the number 310,247,072?

 A: 2, 37, 157, 1669

Why are those the prime factors of the number 310,247,072?

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 310,247,072

310,247,072
Factor Arrows
2155,123,536
Factor Arrows
277,561,768
Factor Arrows
238,780,884
Factor Arrows
219,390,442
Factor Arrows
29,695,221
Factor Arrows
37262,033
Factor Arrows
1571,669

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, 37, 157, 1669

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 2 x 37 x 157 x 1,669 = 310,247,072

This can also be written as 25 x 371 x 1571 x 1,6691 = 310,247,072

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


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