Q: What are the prime factors of the number 303,331,320?

 A: 2, 3, 5, 842587

Why are those the prime factors of the number 303,331,320?

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 303,331,320

303,331,320
Factor Arrows
2151,665,660
Factor Arrows
275,832,830
Factor Arrows
237,916,415
Factor Arrows
312,638,805
Factor Arrows
34,212,935
Factor Arrows
5842,587

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, 5, 842587

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 3 x 3 x 5 x 842,587 = 303,331,320

This can also be written as 23 x 32 x 51 x 842,5871 = 303,331,320

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


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