Q: What are the prime factors of the number 30,123,036?

 A: 2, 3, 278917

Why are those the prime factors of the number 30,123,036?

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 30,123,036

30,123,036
Factor Arrows
215,061,518
Factor Arrows
27,530,759
Factor Arrows
32,510,253
Factor Arrows
3836,751
Factor Arrows
3278,917

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, 278917

We can check our work by multiplying all of the prime factors together: 2 x 2 x 3 x 3 x 3 x 278,917 = 30,123,036

This can also be written as 22 x 33 x 278,9171 = 30,123,036

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


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