Q: What are the prime factors of the number 233,440,655?

 A: 5, 7, 79, 1723

Why are those the prime factors of the number 233,440,655?

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 233,440,655

233,440,655
Factor Arrows
546,688,131
Factor Arrows
76,669,733
Factor Arrows
7952,819
Factor Arrows
7136,117
Factor Arrows
791,723

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:

5, 7, 79, 1723

We can check our work by multiplying all of the prime factors together: 5 x 7 x 7 x 7 x 79 x 1,723 = 233,440,655

This can also be written as 51 x 73 x 791 x 1,7231 = 233,440,655

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


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