Q: What are the prime factors of the number 203,300,136?

 A: 2, 3, 13, 217201

Why are those the prime factors of the number 203,300,136?

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 203,300,136

203,300,136
Factor Arrows
2101,650,068
Factor Arrows
250,825,034
Factor Arrows
225,412,517
Factor Arrows
38,470,839
Factor Arrows
32,823,613
Factor Arrows
13217,201

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, 13, 217201

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 3 x 3 x 13 x 217,201 = 203,300,136

This can also be written as 23 x 32 x 131 x 217,2011 = 203,300,136

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


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