Q: What are the prime factors of the number 12,041,440?

 A: 2, 5, 17, 19, 233

Why are those the prime factors of the number 12,041,440?

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 12,041,440

12,041,440
Factor Arrows
26,020,720
Factor Arrows
23,010,360
Factor Arrows
21,505,180
Factor Arrows
2752,590
Factor Arrows
2376,295
Factor Arrows
575,259
Factor Arrows
174,427
Factor Arrows
19233

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, 5, 17, 19, 233

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 2 x 5 x 17 x 19 x 233 = 12,041,440

This can also be written as 25 x 51 x 171 x 191 x 2331 = 12,041,440

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


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