Q: What are the prime factors of the number 11,345,910?

 A: 2, 3, 5, 131, 2887

Why are those the prime factors of the number 11,345,910?

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 11,345,910

11,345,910
Factor Arrows
25,672,955
Factor Arrows
31,890,985
Factor Arrows
5378,197
Factor Arrows
1312,887

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, 5, 131, 2887

We can check our work by multiplying all of the prime factors together: 2 x 3 x 5 x 131 x 2,887 = 11,345,910

This can also be written as 21 x 31 x 51 x 1311 x 2,8871 = 11,345,910

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


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