Q: What are the prime factors of the number 30,107,457?

 A: 3, 19, 6521

Why are those the prime factors of the number 30,107,457?

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 30,107,457

30,107,457
Factor Arrows
310,035,819
Factor Arrows
33,345,273
Factor Arrows
31,115,091
Factor Arrows
3371,697
Factor Arrows
3123,899
Factor Arrows
196,521

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:

3, 19, 6521

We can check our work by multiplying all of the prime factors together: 3 x 3 x 3 x 3 x 3 x 19 x 6,521 = 30,107,457

This can also be written as 35 x 191 x 6,5211 = 30,107,457

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


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