Q: What are the prime factors of the number 152,847?

 A: 3, 17, 37

Why are those the prime factors of the number 152,847?

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 152,847

152,847
Factor Arrows
350,949
Factor Arrows
316,983
Factor Arrows
35,661
Factor Arrows
31,887
Factor Arrows
3629
Factor Arrows
1737

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:

3, 17, 37

We can check our work by multiplying all of the prime factors together: 3 x 3 x 3 x 3 x 3 x 17 x 37 = 152,847

This can also be written as 35 x 171 x 371 = 152,847

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


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