Q: What are the prime factors of the number 151,408?

 A: 2, 9463

Why are those the prime factors of the number 151,408?

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 151,408

151,408
Factor Arrows
275,704
Factor Arrows
237,852
Factor Arrows
218,926
Factor Arrows
29,463

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, 9463

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 9,463 = 151,408

This can also be written as 24 x 9,4631 = 151,408

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


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