Q: What are the prime factors of the number 305,352,504?

 A: 2, 3, 17, 53, 523

Why are those the prime factors of the number 305,352,504?

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 305,352,504

305,352,504
Factor Arrows
2152,676,252
Factor Arrows
276,338,126
Factor Arrows
238,169,063
Factor Arrows
312,723,021
Factor Arrows
34,241,007
Factor Arrows
31,413,669
Factor Arrows
3471,223
Factor Arrows
1727,719
Factor Arrows
53523

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, 17, 53, 523

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 3 x 3 x 3 x 3 x 17 x 53 x 523 = 305,352,504

This can also be written as 23 x 34 x 171 x 531 x 5231 = 305,352,504

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


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