Q: What are the prime factors of the number 122,881,381?

 A: 7, 29, 173, 3499

Why are those the prime factors of the number 122,881,381?

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 122,881,381

122,881,381
Factor Arrows
717,554,483
Factor Arrows
29605,327
Factor Arrows
1733,499

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:

7, 29, 173, 3499

We can check our work by multiplying all of the prime factors together: 7 x 29 x 173 x 3,499 = 122,881,381

This can also be written as 71 x 291 x 1731 x 3,4991 = 122,881,381

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


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