Q: What are the prime factors of the number 145,593?

 A: 3, 7, 2311

Why are those the prime factors of the number 145,593?

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 145,593

145,593
Factor Arrows
348,531
Factor Arrows
316,177
Factor Arrows
72,311

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, 7, 2311

We can check our work by multiplying all of the prime factors together: 3 x 3 x 7 x 2,311 = 145,593

This can also be written as 32 x 71 x 2,3111 = 145,593

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


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