Q: What are the prime factors of the number 333,606,642?

 A: 2, 3, 43, 73, 17713

Why are those the prime factors of the number 333,606,642?

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 333,606,642

333,606,642
Factor Arrows
2166,803,321
Factor Arrows
355,601,107
Factor Arrows
431,293,049
Factor Arrows
7317,713

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, 43, 73, 17713

We can check our work by multiplying all of the prime factors together: 2 x 3 x 43 x 73 x 17,713 = 333,606,642

This can also be written as 21 x 31 x 431 x 731 x 17,7131 = 333,606,642

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


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