Q: What are the prime factors of the number 816,484?

 A: 2, 43, 47, 101

Why are those the prime factors of the number 816,484?

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 816,484

816,484
Factor Arrows
2408,242
Factor Arrows
2204,121
Factor Arrows
434,747
Factor Arrows
47101

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, 43, 47, 101

We can check our work by multiplying all of the prime factors together: 2 x 2 x 43 x 47 x 101 = 816,484

This can also be written as 22 x 431 x 471 x 1011 = 816,484

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


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