Q: What are the prime factors of the number 455,808?

 A: 2, 3, 1187

Why are those the prime factors of the number 455,808?

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 455,808

455,808
Factor Arrows
2227,904
Factor Arrows
2113,952
Factor Arrows
256,976
Factor Arrows
228,488
Factor Arrows
214,244
Factor Arrows
27,122
Factor Arrows
23,561
Factor Arrows
31,187

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, 1187

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 2 x 2 x 2 x 3 x 1,187 = 455,808

This can also be written as 27 x 31 x 1,1871 = 455,808

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


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