Q: What are the prime factors of the number 30,336,736?

 A: 2, 211, 4493

Why are those the prime factors of the number 30,336,736?

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 30,336,736

30,336,736
Factor Arrows
215,168,368
Factor Arrows
27,584,184
Factor Arrows
23,792,092
Factor Arrows
21,896,046
Factor Arrows
2948,023
Factor Arrows
2114,493

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, 211, 4493

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 2 x 211 x 4,493 = 30,336,736

This can also be written as 25 x 2111 x 4,4931 = 30,336,736

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


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