Q: What are the prime factors of the number 133,203,232?

 A: 2, 109, 38189

Why are those the prime factors of the number 133,203,232?

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 133,203,232

133,203,232
Factor Arrows
266,601,616
Factor Arrows
233,300,808
Factor Arrows
216,650,404
Factor Arrows
28,325,202
Factor Arrows
24,162,601
Factor Arrows
10938,189

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, 109, 38189

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 2 x 109 x 38,189 = 133,203,232

This can also be written as 25 x 1091 x 38,1891 = 133,203,232

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


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