Q: What are the prime factors of the number 255,123,002?

 A: 2, 67, 109, 17467

Why are those the prime factors of the number 255,123,002?

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 255,123,002

255,123,002
Factor Arrows
2127,561,501
Factor Arrows
671,903,903
Factor Arrows
10917,467

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, 67, 109, 17467

We can check our work by multiplying all of the prime factors together: 2 x 67 x 109 x 17,467 = 255,123,002

This can also be written as 21 x 671 x 1091 x 17,4671 = 255,123,002

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


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