Q: What are the prime factors of the number 512,222,240?

 A: 2, 5, 17, 188317

Why are those the prime factors of the number 512,222,240?

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 512,222,240

512,222,240
Factor Arrows
2256,111,120
Factor Arrows
2128,055,560
Factor Arrows
264,027,780
Factor Arrows
232,013,890
Factor Arrows
216,006,945
Factor Arrows
53,201,389
Factor Arrows
17188,317

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, 17, 188317

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 2 x 5 x 17 x 188,317 = 512,222,240

This can also be written as 25 x 51 x 171 x 188,3171 = 512,222,240

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


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