Q: What are the prime factors of the number 23,201,736?

 A: 2, 3, 17, 19, 41, 73

Why are those the prime factors of the number 23,201,736?

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 23,201,736

23,201,736
Factor Arrows
211,600,868
Factor Arrows
25,800,434
Factor Arrows
22,900,217
Factor Arrows
3966,739
Factor Arrows
1756,867
Factor Arrows
192,993
Factor Arrows
4173

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, 17, 19, 41, 73

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 3 x 17 x 19 x 41 x 73 = 23,201,736

This can also be written as 23 x 31 x 171 x 191 x 411 x 731 = 23,201,736

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


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