Q: What are the prime factors of the number 250,156,416?

 A: 2, 3, 41, 15889

Why are those the prime factors of the number 250,156,416?

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 250,156,416

250,156,416
Factor Arrows
2125,078,208
Factor Arrows
262,539,104
Factor Arrows
231,269,552
Factor Arrows
215,634,776
Factor Arrows
27,817,388
Factor Arrows
23,908,694
Factor Arrows
21,954,347
Factor Arrows
3651,449
Factor Arrows
4115,889

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, 41, 15889

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 3 x 41 x 15,889 = 250,156,416

This can also be written as 27 x 31 x 411 x 15,8891 = 250,156,416

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


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