Q: What are the prime factors of the number 205,182,528?

 A: 2, 3, 61, 17519

Why are those the prime factors of the number 205,182,528?

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 205,182,528

205,182,528
Factor Arrows
2102,591,264
Factor Arrows
251,295,632
Factor Arrows
225,647,816
Factor Arrows
212,823,908
Factor Arrows
26,411,954
Factor Arrows
23,205,977
Factor Arrows
31,068,659
Factor Arrows
6117,519

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, 3, 61, 17519

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 3 x 61 x 17,519 = 205,182,528

This can also be written as 26 x 31 x 611 x 17,5191 = 205,182,528

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


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