Q: What are the prime factors of the number 15,444,044?

 A: 2, 7, 11, 41, 1223

Why are those the prime factors of the number 15,444,044?

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 15,444,044

15,444,044
Factor Arrows
27,722,022
Factor Arrows
23,861,011
Factor Arrows
7551,573
Factor Arrows
1150,143
Factor Arrows
411,223

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, 7, 11, 41, 1223

We can check our work by multiplying all of the prime factors together: 2 x 2 x 7 x 11 x 41 x 1,223 = 15,444,044

This can also be written as 22 x 71 x 111 x 411 x 1,2231 = 15,444,044

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


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