Q: What are the prime factors of the number 285,844?

 A: 2, 13, 23, 239

Why are those the prime factors of the number 285,844?

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 285,844

285,844
Factor Arrows
2142,922
Factor Arrows
271,461
Factor Arrows
135,497
Factor Arrows
23239

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, 13, 23, 239

We can check our work by multiplying all of the prime factors together: 2 x 2 x 13 x 23 x 239 = 285,844

This can also be written as 22 x 131 x 231 x 2391 = 285,844

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


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