Q: What are the prime factors of the number 30,363,136?

 A: 2, 31, 1913

Why are those the prime factors of the number 30,363,136?

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 30,363,136

30,363,136
Factor Arrows
215,181,568
Factor Arrows
27,590,784
Factor Arrows
23,795,392
Factor Arrows
21,897,696
Factor Arrows
2948,848
Factor Arrows
2474,424
Factor Arrows
2237,212
Factor Arrows
2118,606
Factor Arrows
259,303
Factor Arrows
311,913

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, 31, 1913

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 2 x 2 x 2 x 2 x 2 x 31 x 1,913 = 30,363,136

This can also be written as 29 x 311 x 1,9131 = 30,363,136

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


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