Q: What are the prime factors of the number 122,123,552?

 A: 2, 397, 9613

Why are those the prime factors of the number 122,123,552?

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 122,123,552

122,123,552
Factor Arrows
261,061,776
Factor Arrows
230,530,888
Factor Arrows
215,265,444
Factor Arrows
27,632,722
Factor Arrows
23,816,361
Factor Arrows
3979,613

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, 397, 9613

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 2 x 397 x 9,613 = 122,123,552

This can also be written as 25 x 3971 x 9,6131 = 122,123,552

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


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