Q: What are the prime factors of the number 424,816?

 A: 2, 7, 3793

Why are those the prime factors of the number 424,816?

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 424,816

424,816
Factor Arrows
2212,408
Factor Arrows
2106,204
Factor Arrows
253,102
Factor Arrows
226,551
Factor Arrows
73,793

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, 7, 3793

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 7 x 3,793 = 424,816

This can also be written as 24 x 71 x 3,7931 = 424,816

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


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