Q: What are the prime factors of the number 511,457,452?

 A: 2, 11, 41, 509, 557

Why are those the prime factors of the number 511,457,452?

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 511,457,452

511,457,452
Factor Arrows
2255,728,726
Factor Arrows
2127,864,363
Factor Arrows
1111,624,033
Factor Arrows
41283,513
Factor Arrows
509557

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, 11, 41, 509, 557

We can check our work by multiplying all of the prime factors together: 2 x 2 x 11 x 41 x 509 x 557 = 511,457,452

This can also be written as 22 x 111 x 411 x 5091 x 5571 = 511,457,452

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


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