Q: What are the prime factors of the number 228,456?

 A: 2, 3, 19, 167

Why are those the prime factors of the number 228,456?

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 228,456

228,456
Factor Arrows
2114,228
Factor Arrows
257,114
Factor Arrows
228,557
Factor Arrows
39,519
Factor Arrows
33,173
Factor Arrows
19167

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, 19, 167

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 3 x 3 x 19 x 167 = 228,456

This can also be written as 23 x 32 x 191 x 1671 = 228,456

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


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