Q: What are the prime factors of the number 3,428,436?

 A: 2, 3, 11, 19, 1367

Why are those the prime factors of the number 3,428,436?

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 3,428,436

3,428,436
Factor Arrows
21,714,218
Factor Arrows
2857,109
Factor Arrows
3285,703
Factor Arrows
1125,973
Factor Arrows
191,367

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, 11, 19, 1367

We can check our work by multiplying all of the prime factors together: 2 x 2 x 3 x 11 x 19 x 1,367 = 3,428,436

This can also be written as 22 x 31 x 111 x 191 x 1,3671 = 3,428,436

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


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