Q: What are the prime factors of the number 515,154,464?

 A: 2, 11, 1463507

Why are those the prime factors of the number 515,154,464?

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 515,154,464

515,154,464
Factor Arrows
2257,577,232
Factor Arrows
2128,788,616
Factor Arrows
264,394,308
Factor Arrows
232,197,154
Factor Arrows
216,098,577
Factor Arrows
111,463,507

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, 11, 1463507

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 2 x 11 x 1,463,507 = 515,154,464

This can also be written as 25 x 111 x 1,463,5071 = 515,154,464

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


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