Q: What are the prime factors of the number 27,642?

 A: 2, 3, 17, 271

Why are those the prime factors of the number 27,642?

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 27,642

27,642
Factor Arrows
213,821
Factor Arrows
34,607
Factor Arrows
17271

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, 271

We can check our work by multiplying all of the prime factors together: 2 x 3 x 17 x 271 = 27,642

This can also be written as 21 x 31 x 171 x 2711 = 27,642

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


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