Q: What are the prime factors of the number 333,532,545?

 A: 3, 5, 23, 797, 1213

Why are those the prime factors of the number 333,532,545?

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 333,532,545

333,532,545
Factor Arrows
3111,177,515
Factor Arrows
522,235,503
Factor Arrows
23966,761
Factor Arrows
7971,213

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, 5, 23, 797, 1213

We can check our work by multiplying all of the prime factors together: 3 x 5 x 23 x 797 x 1,213 = 333,532,545

This can also be written as 31 x 51 x 231 x 7971 x 1,2131 = 333,532,545

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


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