Q: What are the prime factors of the number 23,742,404?

 A: 2, 7, 17, 31, 1609

Why are those the prime factors of the number 23,742,404?

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 23,742,404

23,742,404
Factor Arrows
211,871,202
Factor Arrows
25,935,601
Factor Arrows
7847,943
Factor Arrows
1749,879
Factor Arrows
311,609

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, 7, 17, 31, 1609

We can check our work by multiplying all of the prime factors together: 2 x 2 x 7 x 17 x 31 x 1,609 = 23,742,404

This can also be written as 22 x 71 x 171 x 311 x 1,6091 = 23,742,404

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


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