Q: What are the prime factors of the number 11,177,616?

 A: 2, 3, 337, 691

Why are those the prime factors of the number 11,177,616?

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 11,177,616

11,177,616
Factor Arrows
25,588,808
Factor Arrows
22,794,404
Factor Arrows
21,397,202
Factor Arrows
2698,601
Factor Arrows
3232,867
Factor Arrows
337691

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, 337, 691

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 3 x 337 x 691 = 11,177,616

This can also be written as 24 x 31 x 3371 x 6911 = 11,177,616

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


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