Q: What are the prime factors of the number 333,028,542?

 A: 2, 3, 7, 11, 19, 3449

Why are those the prime factors of the number 333,028,542?

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 333,028,542

333,028,542
Factor Arrows
2166,514,271
Factor Arrows
355,504,757
Factor Arrows
77,929,251
Factor Arrows
11720,841
Factor Arrows
1165,531
Factor Arrows
193,449

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, 7, 11, 19, 3449

We can check our work by multiplying all of the prime factors together: 2 x 3 x 7 x 11 x 11 x 19 x 3,449 = 333,028,542

This can also be written as 21 x 31 x 71 x 112 x 191 x 3,4491 = 333,028,542

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


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