Q: What are the prime factors of the number 18,532,188?

 A: 2, 3, 514783

Why are those the prime factors of the number 18,532,188?

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 18,532,188

18,532,188
Factor Arrows
29,266,094
Factor Arrows
24,633,047
Factor Arrows
31,544,349
Factor Arrows
3514,783

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, 514783

We can check our work by multiplying all of the prime factors together: 2 x 2 x 3 x 3 x 514,783 = 18,532,188

This can also be written as 22 x 32 x 514,7831 = 18,532,188

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


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