Q: What are the prime factors of the number 511,120,414?

 A: 2, 7, 89, 311, 1319

Why are those the prime factors of the number 511,120,414?

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 511,120,414

511,120,414
Factor Arrows
2255,560,207
Factor Arrows
736,508,601
Factor Arrows
89410,209
Factor Arrows
3111,319

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, 7, 89, 311, 1319

We can check our work by multiplying all of the prime factors together: 2 x 7 x 89 x 311 x 1,319 = 511,120,414

This can also be written as 21 x 71 x 891 x 3111 x 1,3191 = 511,120,414

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


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