Q: What are the prime factors of the number 333,564,448?

 A: 2, 7, 73, 20399

Why are those the prime factors of the number 333,564,448?

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 333,564,448

333,564,448
Factor Arrows
2166,782,224
Factor Arrows
283,391,112
Factor Arrows
241,695,556
Factor Arrows
220,847,778
Factor Arrows
210,423,889
Factor Arrows
71,489,127
Factor Arrows
7320,399

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, 73, 20399

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 2 x 7 x 73 x 20,399 = 333,564,448

This can also be written as 25 x 71 x 731 x 20,3991 = 333,564,448

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


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