Q: What are the prime factors of the number 314,442,324?

 A: 2, 3, 7, 19, 7297

Why are those the prime factors of the number 314,442,324?

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 314,442,324

314,442,324
Factor Arrows
2157,221,162
Factor Arrows
278,610,581
Factor Arrows
326,203,527
Factor Arrows
38,734,509
Factor Arrows
32,911,503
Factor Arrows
3970,501
Factor Arrows
7138,643
Factor Arrows
197,297

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, 7, 19, 7297

We can check our work by multiplying all of the prime factors together: 2 x 2 x 3 x 3 x 3 x 3 x 7 x 19 x 7,297 = 314,442,324

This can also be written as 22 x 34 x 71 x 191 x 7,2971 = 314,442,324

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


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