Q: What are the prime factors of the number 122,221,104?

 A: 2, 3, 71, 35863

Why are those the prime factors of the number 122,221,104?

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 122,221,104

122,221,104
Factor Arrows
261,110,552
Factor Arrows
230,555,276
Factor Arrows
215,277,638
Factor Arrows
27,638,819
Factor Arrows
32,546,273
Factor Arrows
7135,863

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, 71, 35863

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 3 x 71 x 35,863 = 122,221,104

This can also be written as 24 x 31 x 711 x 35,8631 = 122,221,104

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


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