Q: What are the prime factors of the number 87,432,228?

 A: 2, 3, 13, 227, 823

Why are those the prime factors of the number 87,432,228?

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 87,432,228

87,432,228
Factor Arrows
243,716,114
Factor Arrows
221,858,057
Factor Arrows
37,286,019
Factor Arrows
32,428,673
Factor Arrows
13186,821
Factor Arrows
227823

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, 227, 823

We can check our work by multiplying all of the prime factors together: 2 x 2 x 3 x 3 x 13 x 227 x 823 = 87,432,228

This can also be written as 22 x 32 x 131 x 2271 x 8231 = 87,432,228

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


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