Q: What are the prime factors of the number 513,054,304?

 A: 2, 7, 327203

Why are those the prime factors of the number 513,054,304?

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 513,054,304

513,054,304
Factor Arrows
2256,527,152
Factor Arrows
2128,263,576
Factor Arrows
264,131,788
Factor Arrows
232,065,894
Factor Arrows
216,032,947
Factor Arrows
72,290,421
Factor Arrows
7327,203

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, 7, 327203

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 2 x 7 x 7 x 327,203 = 513,054,304

This can also be written as 25 x 72 x 327,2031 = 513,054,304

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


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