Q: What are the prime factors of the number 205,105,568?

 A: 2, 6409549

Why are those the prime factors of the number 205,105,568?

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 205,105,568

205,105,568
Factor Arrows
2102,552,784
Factor Arrows
251,276,392
Factor Arrows
225,638,196
Factor Arrows
212,819,098
Factor Arrows
26,409,549

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, 6409549

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 2 x 6,409,549 = 205,105,568

This can also be written as 25 x 6,409,5491 = 205,105,568

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


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