Q: What are the prime factors of the number 451,008?

 A: 2, 3, 29

Why are those the prime factors of the number 451,008?

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 451,008

451,008
Factor Arrows
2225,504
Factor Arrows
2112,752
Factor Arrows
256,376
Factor Arrows
228,188
Factor Arrows
214,094
Factor Arrows
27,047
Factor Arrows
32,349
Factor Arrows
3783
Factor Arrows
3261
Factor Arrows
387
Factor Arrows
329

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, 29

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 3 x 3 x 3 x 3 x 3 x 29 = 451,008

This can also be written as 26 x 35 x 291 = 451,008

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


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