Q: What are the prime factors of the number 122,403,238?

 A: 2, 67, 913457

Why are those the prime factors of the number 122,403,238?

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 122,403,238

122,403,238
Factor Arrows
261,201,619
Factor Arrows
67913,457

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, 913457

We can check our work by multiplying all of the prime factors together: 2 x 67 x 913,457 = 122,403,238

This can also be written as 21 x 671 x 913,4571 = 122,403,238

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


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