Q: What are the prime factors of the number 342,033,021?

 A: 3, 11, 179, 19301

Why are those the prime factors of the number 342,033,021?

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 342,033,021

342,033,021
Factor Arrows
3114,011,007
Factor Arrows
338,003,669
Factor Arrows
113,454,879
Factor Arrows
17919,301

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, 11, 179, 19301

We can check our work by multiplying all of the prime factors together: 3 x 3 x 11 x 179 x 19,301 = 342,033,021

This can also be written as 32 x 111 x 1791 x 19,3011 = 342,033,021

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


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