Q: What are the prime factors of the number 22,031,316?

 A: 2, 3, 563, 1087

Why are those the prime factors of the number 22,031,316?

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 22,031,316

22,031,316
Factor Arrows
211,015,658
Factor Arrows
25,507,829
Factor Arrows
31,835,943
Factor Arrows
3611,981
Factor Arrows
5631,087

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, 3, 563, 1087

We can check our work by multiplying all of the prime factors together: 2 x 2 x 3 x 3 x 563 x 1,087 = 22,031,316

This can also be written as 22 x 32 x 5631 x 1,0871 = 22,031,316

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


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