Q: What are the prime factors of the number 303,032,320?

 A: 2, 5, 101, 293

Why are those the prime factors of the number 303,032,320?

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 303,032,320

303,032,320
Factor Arrows
2151,516,160
Factor Arrows
275,758,080
Factor Arrows
237,879,040
Factor Arrows
218,939,520
Factor Arrows
29,469,760
Factor Arrows
24,734,880
Factor Arrows
22,367,440
Factor Arrows
21,183,720
Factor Arrows
2591,860
Factor Arrows
2295,930
Factor Arrows
2147,965
Factor Arrows
529,593
Factor Arrows
101293

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, 101, 293

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 2 x 2 x 2 x 2 x 2 x 5 x 101 x 293 = 303,032,320

This can also be written as 211 x 51 x 1011 x 2931 = 303,032,320

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


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