Q: What are the prime factors of the number 320,330,133?

 A: 3, 17, 77543

Why are those the prime factors of the number 320,330,133?

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 320,330,133

320,330,133
Factor Arrows
3106,776,711
Factor Arrows
335,592,237
Factor Arrows
311,864,079
Factor Arrows
33,954,693
Factor Arrows
31,318,231
Factor Arrows
1777,543

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, 17, 77543

We can check our work by multiplying all of the prime factors together: 3 x 3 x 3 x 3 x 3 x 17 x 77,543 = 320,330,133

This can also be written as 35 x 171 x 77,5431 = 320,330,133

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


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