Q: What are the prime factors of the number 89,189,232?

 A: 2, 3, 11, 31, 5449

Why are those the prime factors of the number 89,189,232?

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 89,189,232

89,189,232
Factor Arrows
244,594,616
Factor Arrows
222,297,308
Factor Arrows
211,148,654
Factor Arrows
25,574,327
Factor Arrows
31,858,109
Factor Arrows
11168,919
Factor Arrows
315,449

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, 11, 31, 5449

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 3 x 11 x 31 x 5,449 = 89,189,232

This can also be written as 24 x 31 x 111 x 311 x 5,4491 = 89,189,232

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


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