Q: What are the prime factors of the number 456,168?

 A: 2, 3, 83, 229

Why are those the prime factors of the number 456,168?

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 456,168

456,168
Factor Arrows
2228,084
Factor Arrows
2114,042
Factor Arrows
257,021
Factor Arrows
319,007
Factor Arrows
83229

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, 83, 229

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 3 x 83 x 229 = 456,168

This can also be written as 23 x 31 x 831 x 2291 = 456,168

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


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