Q: What are the prime factors of the number 333,322,440?

 A: 2, 3, 5, 11, 23, 10979

Why are those the prime factors of the number 333,322,440?

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 333,322,440

333,322,440
Factor Arrows
2166,661,220
Factor Arrows
283,330,610
Factor Arrows
241,665,305
Factor Arrows
313,888,435
Factor Arrows
52,777,687
Factor Arrows
11252,517
Factor Arrows
2310,979

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, 5, 11, 23, 10979

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 3 x 5 x 11 x 23 x 10,979 = 333,322,440

This can also be written as 23 x 31 x 51 x 111 x 231 x 10,9791 = 333,322,440

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


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