Q: What are the prime factors of the number 255,820,512?

 A: 2, 3, 353, 7549

Why are those the prime factors of the number 255,820,512?

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 255,820,512

255,820,512
Factor Arrows
2127,910,256
Factor Arrows
263,955,128
Factor Arrows
231,977,564
Factor Arrows
215,988,782
Factor Arrows
27,994,391
Factor Arrows
32,664,797
Factor Arrows
3537,549

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, 3, 353, 7549

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 2 x 3 x 353 x 7,549 = 255,820,512

This can also be written as 25 x 31 x 3531 x 7,5491 = 255,820,512

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


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