Q: What are the prime factors of the number 605,617,324?

 A: 2, 13, 19, 23, 29, 919

Why are those the prime factors of the number 605,617,324?

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 605,617,324

605,617,324
Factor Arrows
2302,808,662
Factor Arrows
2151,404,331
Factor Arrows
1311,646,487
Factor Arrows
19612,973
Factor Arrows
2326,651
Factor Arrows
29919

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, 13, 19, 23, 29, 919

We can check our work by multiplying all of the prime factors together: 2 x 2 x 13 x 19 x 23 x 29 x 919 = 605,617,324

This can also be written as 22 x 131 x 191 x 231 x 291 x 9191 = 605,617,324

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


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