Q: What are the prime factors of the number 122,332,329?

 A: 3, 7, 647261

Why are those the prime factors of the number 122,332,329?

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 122,332,329

122,332,329
Factor Arrows
340,777,443
Factor Arrows
313,592,481
Factor Arrows
34,530,827
Factor Arrows
7647,261

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, 7, 647261

We can check our work by multiplying all of the prime factors together: 3 x 3 x 3 x 7 x 647,261 = 122,332,329

This can also be written as 33 x 71 x 647,2611 = 122,332,329

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


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