Q: What are the prime factors of the number 122,707,608?

 A: 2, 3, 103, 49639

Why are those the prime factors of the number 122,707,608?

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 122,707,608

122,707,608
Factor Arrows
261,353,804
Factor Arrows
230,676,902
Factor Arrows
215,338,451
Factor Arrows
35,112,817
Factor Arrows
10349,639

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, 3, 103, 49639

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 3 x 103 x 49,639 = 122,707,608

This can also be written as 23 x 31 x 1031 x 49,6391 = 122,707,608

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


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