Q: What are the prime factors of the number 303,423,520?

 A: 2, 5, 29, 65393

Why are those the prime factors of the number 303,423,520?

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 303,423,520

303,423,520
Factor Arrows
2151,711,760
Factor Arrows
275,855,880
Factor Arrows
237,927,940
Factor Arrows
218,963,970
Factor Arrows
29,481,985
Factor Arrows
51,896,397
Factor Arrows
2965,393

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, 5, 29, 65393

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 2 x 5 x 29 x 65,393 = 303,423,520

This can also be written as 25 x 51 x 291 x 65,3931 = 303,423,520

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


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