Q: What are the prime factors of the number 259,350?

 A: 2, 3, 5, 7, 13, 19

Why are those the prime factors of the number 259,350?

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 259,350

259,350
Factor Arrows
2129,675
Factor Arrows
343,225
Factor Arrows
58,645
Factor Arrows
51,729
Factor Arrows
7247
Factor Arrows
1319

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, 5, 7, 13, 19

We can check our work by multiplying all of the prime factors together: 2 x 3 x 5 x 5 x 7 x 13 x 19 = 259,350

This can also be written as 21 x 31 x 52 x 71 x 131 x 191 = 259,350

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


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