Q: What are the prime factors of the number 455,472?

 A: 2, 3, 3163

Why are those the prime factors of the number 455,472?

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 455,472

455,472
Factor Arrows
2227,736
Factor Arrows
2113,868
Factor Arrows
256,934
Factor Arrows
228,467
Factor Arrows
39,489
Factor Arrows
33,163

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, 3163

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 3 x 3 x 3,163 = 455,472

This can also be written as 24 x 32 x 3,1631 = 455,472

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


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