Q: What are the prime factors of the number 23,831,739?

 A: 3, 17, 641

Why are those the prime factors of the number 23,831,739?

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 23,831,739

23,831,739
Factor Arrows
37,943,913
Factor Arrows
32,647,971
Factor Arrows
3882,657
Factor Arrows
3294,219
Factor Arrows
398,073
Factor Arrows
332,691
Factor Arrows
310,897
Factor Arrows
17641

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:

3, 17, 641

We can check our work by multiplying all of the prime factors together: 3 x 3 x 3 x 3 x 3 x 3 x 3 x 17 x 641 = 23,831,739

This can also be written as 37 x 171 x 6411 = 23,831,739

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


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