Q: What are the prime factors of the number 172,812?

 A: 2, 3, 14401

Why are those the prime factors of the number 172,812?

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 172,812

172,812
Factor Arrows
286,406
Factor Arrows
243,203
Factor Arrows
314,401

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, 14401

We can check our work by multiplying all of the prime factors together: 2 x 2 x 3 x 14,401 = 172,812

This can also be written as 22 x 31 x 14,4011 = 172,812

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


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