Q: What are the prime factors of the number 203,113,232?

 A: 2, 7, 449, 577

Why are those the prime factors of the number 203,113,232?

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 203,113,232

203,113,232
Factor Arrows
2101,556,616
Factor Arrows
250,778,308
Factor Arrows
225,389,154
Factor Arrows
212,694,577
Factor Arrows
71,813,511
Factor Arrows
7259,073
Factor Arrows
449577

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, 7, 449, 577

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 7 x 7 x 449 x 577 = 203,113,232

This can also be written as 24 x 72 x 4491 x 5771 = 203,113,232

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


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