Q: What are the prime factors of the number 243,403,232?

 A: 2, 1601, 4751

Why are those the prime factors of the number 243,403,232?

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 243,403,232

243,403,232
Factor Arrows
2121,701,616
Factor Arrows
260,850,808
Factor Arrows
230,425,404
Factor Arrows
215,212,702
Factor Arrows
27,606,351
Factor Arrows
1,6014,751

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, 1601, 4751

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 2 x 1,601 x 4,751 = 243,403,232

This can also be written as 25 x 1,6011 x 4,7511 = 243,403,232

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


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