Q: What are the prime factors of the number 415,324?

 A: 2, 7, 13, 163

Why are those the prime factors of the number 415,324?

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 415,324

415,324
Factor Arrows
2207,662
Factor Arrows
2103,831
Factor Arrows
714,833
Factor Arrows
72,119
Factor Arrows
13163

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, 7, 13, 163

We can check our work by multiplying all of the prime factors together: 2 x 2 x 7 x 7 x 13 x 163 = 415,324

This can also be written as 22 x 72 x 131 x 1631 = 415,324

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


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