Q: What are the prime factors of the number 514,304?

 A: 2, 7, 41

Why are those the prime factors of the number 514,304?

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 514,304

514,304
Factor Arrows
2257,152
Factor Arrows
2128,576
Factor Arrows
264,288
Factor Arrows
232,144
Factor Arrows
216,072
Factor Arrows
28,036
Factor Arrows
24,018
Factor Arrows
22,009
Factor Arrows
7287
Factor Arrows
741

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, 41

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 7 x 7 x 41 = 514,304

This can also be written as 28 x 72 x 411 = 514,304

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


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