Q: What are the prime factors of the number 135,392?

 A: 2, 4231

Why are those the prime factors of the number 135,392?

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 135,392

135,392
Factor Arrows
267,696
Factor Arrows
233,848
Factor Arrows
216,924
Factor Arrows
28,462
Factor Arrows
24,231

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, 4231

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 2 x 4,231 = 135,392

This can also be written as 25 x 4,2311 = 135,392

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


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