Q: What are the prime factors of the number 201,340,458?

 A: 2, 3, 11, 37, 9161

Why are those the prime factors of the number 201,340,458?

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 201,340,458

201,340,458
Factor Arrows
2100,670,229
Factor Arrows
333,556,743
Factor Arrows
311,185,581
Factor Arrows
33,728,527
Factor Arrows
11338,957
Factor Arrows
379,161

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, 3, 11, 37, 9161

We can check our work by multiplying all of the prime factors together: 2 x 3 x 3 x 3 x 11 x 37 x 9,161 = 201,340,458

This can also be written as 21 x 33 x 111 x 371 x 9,1611 = 201,340,458

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


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