Q: What are the prime factors of the number 4,213,431?

 A: 3, 113, 1381

Why are those the prime factors of the number 4,213,431?

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 4,213,431

4,213,431
Factor Arrows
31,404,477
Factor Arrows
3468,159
Factor Arrows
3156,053
Factor Arrows
1131,381

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:

3, 113, 1381

We can check our work by multiplying all of the prime factors together: 3 x 3 x 3 x 113 x 1,381 = 4,213,431

This can also be written as 33 x 1131 x 1,3811 = 4,213,431

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


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