Q: What are the prime factors of the number 451,616?

 A: 2, 11, 1283

Why are those the prime factors of the number 451,616?

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 451,616

451,616
Factor Arrows
2225,808
Factor Arrows
2112,904
Factor Arrows
256,452
Factor Arrows
228,226
Factor Arrows
214,113
Factor Arrows
111,283

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, 11, 1283

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 2 x 11 x 1,283 = 451,616

This can also be written as 25 x 111 x 1,2831 = 451,616

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


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