Q: What are the prime factors of the number 181,648?

 A: 2, 11353

Why are those the prime factors of the number 181,648?

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 181,648

181,648
Factor Arrows
290,824
Factor Arrows
245,412
Factor Arrows
222,706
Factor Arrows
211,353

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, 11353

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 11,353 = 181,648

This can also be written as 24 x 11,3531 = 181,648

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


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