Q: What are the prime factors of the number 104,001,072?

 A: 2, 3, 7, 97, 3191

Why are those the prime factors of the number 104,001,072?

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 104,001,072

104,001,072
Factor Arrows
252,000,536
Factor Arrows
226,000,268
Factor Arrows
213,000,134
Factor Arrows
26,500,067
Factor Arrows
32,166,689
Factor Arrows
7309,527
Factor Arrows
973,191

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, 7, 97, 3191

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 3 x 7 x 97 x 3,191 = 104,001,072

This can also be written as 24 x 31 x 71 x 971 x 3,1911 = 104,001,072

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


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