Q: What are the prime factors of the number 11,311,322?

 A: 2, 11, 43, 1087

Why are those the prime factors of the number 11,311,322?

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 11,311,322

11,311,322
Factor Arrows
25,655,661
Factor Arrows
11514,151
Factor Arrows
1146,741
Factor Arrows
431,087

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, 11, 43, 1087

We can check our work by multiplying all of the prime factors together: 2 x 11 x 11 x 43 x 1,087 = 11,311,322

This can also be written as 21 x 112 x 431 x 1,0871 = 11,311,322

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


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