Q: What are the prime factors of the number 11,322,330?

 A: 2, 3, 5, 43, 67, 131

Why are those the prime factors of the number 11,322,330?

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 11,322,330

11,322,330
Factor Arrows
25,661,165
Factor Arrows
31,887,055
Factor Arrows
5377,411
Factor Arrows
438,777
Factor Arrows
67131

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, 43, 67, 131

We can check our work by multiplying all of the prime factors together: 2 x 3 x 5 x 43 x 67 x 131 = 11,322,330

This can also be written as 21 x 31 x 51 x 431 x 671 x 1311 = 11,322,330

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


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