Q: What are the prime factors of the number 2,404,224?

 A: 2, 3, 2087

Why are those the prime factors of the number 2,404,224?

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 2,404,224

2,404,224
Factor Arrows
21,202,112
Factor Arrows
2601,056
Factor Arrows
2300,528
Factor Arrows
2150,264
Factor Arrows
275,132
Factor Arrows
237,566
Factor Arrows
218,783
Factor Arrows
36,261
Factor Arrows
32,087

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, 2087

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 2,087 = 2,404,224

This can also be written as 27 x 32 x 2,0871 = 2,404,224

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


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