Q: What are the prime factors of the number 22,212,324?

 A: 2, 3, 41, 101, 149

Why are those the prime factors of the number 22,212,324?

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 22,212,324

22,212,324
Factor Arrows
211,106,162
Factor Arrows
25,553,081
Factor Arrows
31,851,027
Factor Arrows
3617,009
Factor Arrows
4115,049
Factor Arrows
101149

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, 41, 101, 149

We can check our work by multiplying all of the prime factors together: 2 x 2 x 3 x 3 x 41 x 101 x 149 = 22,212,324

This can also be written as 22 x 32 x 411 x 1011 x 1491 = 22,212,324

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


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