Q: What are the prime factors of the number 27,951,723?

 A: 3, 17, 53, 383

Why are those the prime factors of the number 27,951,723?

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 27,951,723

27,951,723
Factor Arrows
39,317,241
Factor Arrows
33,105,747
Factor Arrows
31,035,249
Factor Arrows
3345,083
Factor Arrows
1720,299
Factor Arrows
53383

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, 53, 383

We can check our work by multiplying all of the prime factors together: 3 x 3 x 3 x 3 x 17 x 53 x 383 = 27,951,723

This can also be written as 34 x 171 x 531 x 3831 = 27,951,723

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


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