Q: What are the prime factors of the number 333,133,556?

 A: 2, 7, 29, 43, 47

Why are those the prime factors of the number 333,133,556?

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 333,133,556

333,133,556
Factor Arrows
2166,566,778
Factor Arrows
283,283,389
Factor Arrows
711,897,627
Factor Arrows
71,699,661
Factor Arrows
2958,609
Factor Arrows
292,021
Factor Arrows
4347

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, 7, 29, 43, 47

We can check our work by multiplying all of the prime factors together: 2 x 2 x 7 x 7 x 29 x 29 x 43 x 47 = 333,133,556

This can also be written as 22 x 72 x 292 x 431 x 471 = 333,133,556

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


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