Q: What are the prime factors of the number 451,424?

 A: 2, 14107

Why are those the prime factors of the number 451,424?

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 451,424

451,424
Factor Arrows
2225,712
Factor Arrows
2112,856
Factor Arrows
256,428
Factor Arrows
228,214
Factor Arrows
214,107

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, 14107

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 2 x 14,107 = 451,424

This can also be written as 25 x 14,1071 = 451,424

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


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