Q: What are the prime factors of the number 30,774,368?

 A: 2, 23, 41813

Why are those the prime factors of the number 30,774,368?

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 30,774,368

30,774,368
Factor Arrows
215,387,184
Factor Arrows
27,693,592
Factor Arrows
23,846,796
Factor Arrows
21,923,398
Factor Arrows
2961,699
Factor Arrows
2341,813

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, 23, 41813

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 2 x 23 x 41,813 = 30,774,368

This can also be written as 25 x 231 x 41,8131 = 30,774,368

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


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