Q: What are the prime factors of the number 181,261,408?

 A: 2, 5664419

Why are those the prime factors of the number 181,261,408?

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 181,261,408

181,261,408
Factor Arrows
290,630,704
Factor Arrows
245,315,352
Factor Arrows
222,657,676
Factor Arrows
211,328,838
Factor Arrows
25,664,419

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, 5664419

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 2 x 5,664,419 = 181,261,408

This can also be written as 25 x 5,664,4191 = 181,261,408

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


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