Q: What are the prime factors of the number 159,084?

 A: 2, 3, 491

Why are those the prime factors of the number 159,084?

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 159,084

159,084
Factor Arrows
279,542
Factor Arrows
239,771
Factor Arrows
313,257
Factor Arrows
34,419
Factor Arrows
31,473
Factor Arrows
3491

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, 491

We can check our work by multiplying all of the prime factors together: 2 x 2 x 3 x 3 x 3 x 3 x 491 = 159,084

This can also be written as 22 x 34 x 4911 = 159,084

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


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