Q: What are the prime factors of the number 818,312?

 A: 2, 11, 17, 547

Why are those the prime factors of the number 818,312?

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 818,312

818,312
Factor Arrows
2409,156
Factor Arrows
2204,578
Factor Arrows
2102,289
Factor Arrows
119,299
Factor Arrows
17547

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, 17, 547

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 11 x 17 x 547 = 818,312

This can also be written as 23 x 111 x 171 x 5471 = 818,312

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


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