Q: What are the prime factors of the number 11,101,120?

 A: 2, 5, 113, 307

Why are those the prime factors of the number 11,101,120?

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 11,101,120

11,101,120
Factor Arrows
25,550,560
Factor Arrows
22,775,280
Factor Arrows
21,387,640
Factor Arrows
2693,820
Factor Arrows
2346,910
Factor Arrows
2173,455
Factor Arrows
534,691
Factor Arrows
113307

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, 113, 307

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 5 x 113 x 307 = 11,101,120

This can also be written as 26 x 51 x 1131 x 3071 = 11,101,120

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


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