Q: What are the prime factors of the number 30,375,114?

 A: 2, 3, 7, 11, 43, 139

Why are those the prime factors of the number 30,375,114?

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 30,375,114

30,375,114
Factor Arrows
215,187,557
Factor Arrows
35,062,519
Factor Arrows
7723,217
Factor Arrows
1165,747
Factor Arrows
115,977
Factor Arrows
43139

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, 7, 11, 43, 139

We can check our work by multiplying all of the prime factors together: 2 x 3 x 7 x 11 x 11 x 43 x 139 = 30,375,114

This can also be written as 21 x 31 x 71 x 112 x 431 x 1391 = 30,375,114

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


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