Q: What are the prime factors of the number 304,821?

 A: 3, 11, 3079

Why are those the prime factors of the number 304,821?

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 304,821

304,821
Factor Arrows
3101,607
Factor Arrows
333,869
Factor Arrows
113,079

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:

3, 11, 3079

We can check our work by multiplying all of the prime factors together: 3 x 3 x 11 x 3,079 = 304,821

This can also be written as 32 x 111 x 3,0791 = 304,821

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


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