Q: What are the prime factors of the number 181,311,688?

 A: 2, 883, 25667

Why are those the prime factors of the number 181,311,688?

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 181,311,688

181,311,688
Factor Arrows
290,655,844
Factor Arrows
245,327,922
Factor Arrows
222,663,961
Factor Arrows
88325,667

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, 883, 25667

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 883 x 25,667 = 181,311,688

This can also be written as 23 x 8831 x 25,6671 = 181,311,688

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


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