Q: What are the prime factors of the number 304,310,540?

 A: 2, 5, 17, 797, 1123

Why are those the prime factors of the number 304,310,540?

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 304,310,540

304,310,540
Factor Arrows
2152,155,270
Factor Arrows
276,077,635
Factor Arrows
515,215,527
Factor Arrows
17895,031
Factor Arrows
7971,123

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, 17, 797, 1123

We can check our work by multiplying all of the prime factors together: 2 x 2 x 5 x 17 x 797 x 1,123 = 304,310,540

This can also be written as 22 x 51 x 171 x 7971 x 1,1231 = 304,310,540

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


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