Q: What are the prime factors of the number 250,486,272?

 A: 2, 3, 19, 2861

Why are those the prime factors of the number 250,486,272?

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 250,486,272

250,486,272
Factor Arrows
2125,243,136
Factor Arrows
262,621,568
Factor Arrows
231,310,784
Factor Arrows
215,655,392
Factor Arrows
27,827,696
Factor Arrows
23,913,848
Factor Arrows
21,956,924
Factor Arrows
2978,462
Factor Arrows
2489,231
Factor Arrows
3163,077
Factor Arrows
354,359
Factor Arrows
192,861

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, 2861

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 3 x 3 x 19 x 2,861 = 250,486,272

This can also be written as 29 x 32 x 191 x 2,8611 = 250,486,272

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


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