Q: What are the prime factors of the number 511,343,104?

 A: 2, 998717

Why are those the prime factors of the number 511,343,104?

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 511,343,104

511,343,104
Factor Arrows
2255,671,552
Factor Arrows
2127,835,776
Factor Arrows
263,917,888
Factor Arrows
231,958,944
Factor Arrows
215,979,472
Factor Arrows
27,989,736
Factor Arrows
23,994,868
Factor Arrows
21,997,434
Factor Arrows
2998,717

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, 998717

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 2 x 2 x 2 x 998,717 = 511,343,104

This can also be written as 29 x 998,7171 = 511,343,104

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


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