Q: What are the prime factors of the number 109,782,324?

 A: 2, 3, 599, 1697

Why are those the prime factors of the number 109,782,324?

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 109,782,324

109,782,324
Factor Arrows
254,891,162
Factor Arrows
227,445,581
Factor Arrows
39,148,527
Factor Arrows
33,049,509
Factor Arrows
31,016,503
Factor Arrows
5991,697

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, 599, 1697

We can check our work by multiplying all of the prime factors together: 2 x 2 x 3 x 3 x 3 x 599 x 1,697 = 109,782,324

This can also be written as 22 x 33 x 5991 x 1,6971 = 109,782,324

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


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