Q: What are the prime factors of the number 309,765,804?

 A: 2, 3, 383, 67399

Why are those the prime factors of the number 309,765,804?

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 309,765,804

309,765,804
Factor Arrows
2154,882,902
Factor Arrows
277,441,451
Factor Arrows
325,813,817
Factor Arrows
38367,399

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, 3, 383, 67399

We can check our work by multiplying all of the prime factors together: 2 x 2 x 3 x 383 x 67,399 = 309,765,804

This can also be written as 22 x 31 x 3831 x 67,3991 = 309,765,804

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


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