Q: What are the prime factors of the number 300,144?

 A: 2, 3, 13, 37

Why are those the prime factors of the number 300,144?

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 300,144

300,144
Factor Arrows
2150,072
Factor Arrows
275,036
Factor Arrows
237,518
Factor Arrows
218,759
Factor Arrows
36,253
Factor Arrows
13481
Factor Arrows
1337

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, 13, 37

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 3 x 13 x 13 x 37 = 300,144

This can also be written as 24 x 31 x 132 x 371 = 300,144

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


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