Q: What are the prime factors of the number 832,428?

 A: 2, 3, 19, 1217

Why are those the prime factors of the number 832,428?

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 832,428

832,428
Factor Arrows
2416,214
Factor Arrows
2208,107
Factor Arrows
369,369
Factor Arrows
323,123
Factor Arrows
191,217

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, 19, 1217

We can check our work by multiplying all of the prime factors together: 2 x 2 x 3 x 3 x 19 x 1,217 = 832,428

This can also be written as 22 x 32 x 191 x 1,2171 = 832,428

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


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