Q: What are the prime factors of the number 614,324,720?

 A: 2, 5, 19, 404161

Why are those the prime factors of the number 614,324,720?

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 614,324,720

614,324,720
Factor Arrows
2307,162,360
Factor Arrows
2153,581,180
Factor Arrows
276,790,590
Factor Arrows
238,395,295
Factor Arrows
57,679,059
Factor Arrows
19404,161

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, 19, 404161

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 5 x 19 x 404,161 = 614,324,720

This can also be written as 24 x 51 x 191 x 404,1611 = 614,324,720

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


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