Q: What are the prime factors of the number 123,122,682?

 A: 2, 3, 97, 151, 467

Why are those the prime factors of the number 123,122,682?

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 123,122,682

123,122,682
Factor Arrows
261,561,341
Factor Arrows
320,520,447
Factor Arrows
36,840,149
Factor Arrows
9770,517
Factor Arrows
151467

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, 97, 151, 467

We can check our work by multiplying all of the prime factors together: 2 x 3 x 3 x 97 x 151 x 467 = 123,122,682

This can also be written as 21 x 32 x 971 x 1511 x 4671 = 123,122,682

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


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