Q: What are the prime factors of the number 250,561,512?

 A: 2, 3, 19, 47, 433

Why are those the prime factors of the number 250,561,512?

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 250,561,512

250,561,512
Factor Arrows
2125,280,756
Factor Arrows
262,640,378
Factor Arrows
231,320,189
Factor Arrows
310,440,063
Factor Arrows
33,480,021
Factor Arrows
31,160,007
Factor Arrows
3386,669
Factor Arrows
1920,351
Factor Arrows
47433

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, 19, 47, 433

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 3 x 3 x 3 x 3 x 19 x 47 x 433 = 250,561,512

This can also be written as 23 x 34 x 191 x 471 x 4331 = 250,561,512

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


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