Q: What are the prime factors of the number 259,136?

 A: 2, 4049

Why are those the prime factors of the number 259,136?

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 259,136

259,136
Factor Arrows
2129,568
Factor Arrows
264,784
Factor Arrows
232,392
Factor Arrows
216,196
Factor Arrows
28,098
Factor Arrows
24,049

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, 4049

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 4,049 = 259,136

This can also be written as 26 x 4,0491 = 259,136

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


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