Q: What are the prime factors of the number 201,103,231?

 A: 7, 31, 199, 4657

Why are those the prime factors of the number 201,103,231?

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 201,103,231

201,103,231
Factor Arrows
728,729,033
Factor Arrows
31926,743
Factor Arrows
1994,657

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:

7, 31, 199, 4657

We can check our work by multiplying all of the prime factors together: 7 x 31 x 199 x 4,657 = 201,103,231

This can also be written as 71 x 311 x 1991 x 4,6571 = 201,103,231

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


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