Q: What are the prime factors of the number 23,107,842?

 A: 2, 3, 587

Why are those the prime factors of the number 23,107,842?

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 23,107,842

23,107,842
Factor Arrows
211,553,921
Factor Arrows
33,851,307
Factor Arrows
31,283,769
Factor Arrows
3427,923
Factor Arrows
3142,641
Factor Arrows
347,547
Factor Arrows
315,849
Factor Arrows
35,283
Factor Arrows
31,761
Factor Arrows
3587

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, 587

We can check our work by multiplying all of the prime factors together: 2 x 3 x 3 x 3 x 3 x 3 x 3 x 3 x 3 x 3 x 587 = 23,107,842

This can also be written as 21 x 39 x 5871 = 23,107,842

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


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