Q: What are the prime factors of the number 303,331,008?

 A: 2, 3, 457, 3457

Why are those the prime factors of the number 303,331,008?

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 303,331,008

303,331,008
Factor Arrows
2151,665,504
Factor Arrows
275,832,752
Factor Arrows
237,916,376
Factor Arrows
218,958,188
Factor Arrows
29,479,094
Factor Arrows
24,739,547
Factor Arrows
31,579,849
Factor Arrows
4573,457

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, 457, 3457

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 2 x 2 x 3 x 457 x 3,457 = 303,331,008

This can also be written as 26 x 31 x 4571 x 3,4571 = 303,331,008

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


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