Q: What are the prime factors of the number 158,018,165?

 A: 5, 23, 89, 15439

Why are those the prime factors of the number 158,018,165?

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 158,018,165

158,018,165
Factor Arrows
531,603,633
Factor Arrows
231,374,071
Factor Arrows
8915,439

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:

5, 23, 89, 15439

We can check our work by multiplying all of the prime factors together: 5 x 23 x 89 x 15,439 = 158,018,165

This can also be written as 51 x 231 x 891 x 15,4391 = 158,018,165

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


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