Q: What are the prime factors of the number 261,504?

 A: 2, 3, 227

Why are those the prime factors of the number 261,504?

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 261,504

261,504
Factor Arrows
2130,752
Factor Arrows
265,376
Factor Arrows
232,688
Factor Arrows
216,344
Factor Arrows
28,172
Factor Arrows
24,086
Factor Arrows
22,043
Factor Arrows
3681
Factor Arrows
3227

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, 227

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 3 x 227 = 261,504

This can also be written as 27 x 32 x 2271 = 261,504

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


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