Q: What are the prime factors of the number 331,433,336?

 A: 2, 13, 43, 5701

Why are those the prime factors of the number 331,433,336?

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 331,433,336

331,433,336
Factor Arrows
2165,716,668
Factor Arrows
282,858,334
Factor Arrows
241,429,167
Factor Arrows
133,186,859
Factor Arrows
13245,143
Factor Arrows
435,701

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, 13, 43, 5701

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 13 x 13 x 43 x 5,701 = 331,433,336

This can also be written as 23 x 132 x 431 x 5,7011 = 331,433,336

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


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