Q: What are the prime factors of the number 30,323,040?

 A: 2, 3, 5, 11, 5743

Why are those the prime factors of the number 30,323,040?

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 30,323,040

30,323,040
Factor Arrows
215,161,520
Factor Arrows
27,580,760
Factor Arrows
23,790,380
Factor Arrows
21,895,190
Factor Arrows
2947,595
Factor Arrows
3315,865
Factor Arrows
563,173
Factor Arrows
115,743

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, 5, 11, 5743

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 2 x 3 x 5 x 11 x 5,743 = 30,323,040

This can also be written as 25 x 31 x 51 x 111 x 5,7431 = 30,323,040

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


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