Q: What are the prime factors of the number 228,906?

 A: 2, 3, 157

Why are those the prime factors of the number 228,906?

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 228,906

228,906
Factor Arrows
2114,453
Factor Arrows
338,151
Factor Arrows
312,717
Factor Arrows
34,239
Factor Arrows
31,413
Factor Arrows
3471
Factor Arrows
3157

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, 157

We can check our work by multiplying all of the prime factors together: 2 x 3 x 3 x 3 x 3 x 3 x 3 x 157 = 228,906

This can also be written as 21 x 36 x 1571 = 228,906

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


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