Q: What are the prime factors of the number 30,332,320?

 A: 2, 5, 101, 1877

Why are those the prime factors of the number 30,332,320?

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 30,332,320

30,332,320
Factor Arrows
215,166,160
Factor Arrows
27,583,080
Factor Arrows
23,791,540
Factor Arrows
21,895,770
Factor Arrows
2947,885
Factor Arrows
5189,577
Factor Arrows
1011,877

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, 101, 1877

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 2 x 5 x 101 x 1,877 = 30,332,320

This can also be written as 25 x 51 x 1011 x 1,8771 = 30,332,320

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


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