Q: What are the prime factors of the number 104,122,440?

 A: 2, 3, 5, 37, 7817

Why are those the prime factors of the number 104,122,440?

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 104,122,440

104,122,440
Factor Arrows
252,061,220
Factor Arrows
226,030,610
Factor Arrows
213,015,305
Factor Arrows
34,338,435
Factor Arrows
31,446,145
Factor Arrows
5289,229
Factor Arrows
377,817

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, 5, 37, 7817

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 3 x 3 x 5 x 37 x 7,817 = 104,122,440

This can also be written as 23 x 32 x 51 x 371 x 7,8171 = 104,122,440

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


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