Q: What are the prime factors of the number 158,544?

 A: 2, 3, 367

Why are those the prime factors of the number 158,544?

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 158,544

158,544
Factor Arrows
279,272
Factor Arrows
239,636
Factor Arrows
219,818
Factor Arrows
29,909
Factor Arrows
33,303
Factor Arrows
31,101
Factor Arrows
3367

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, 3, 367

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 3 x 3 x 3 x 367 = 158,544

This can also be written as 24 x 33 x 3671 = 158,544

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


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