Q: What are the prime factors of the number 22,311,232?

 A: 2, 89, 3917

Why are those the prime factors of the number 22,311,232?

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 22,311,232

22,311,232
Factor Arrows
211,155,616
Factor Arrows
25,577,808
Factor Arrows
22,788,904
Factor Arrows
21,394,452
Factor Arrows
2697,226
Factor Arrows
2348,613
Factor Arrows
893,917

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, 89, 3917

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 2 x 2 x 89 x 3,917 = 22,311,232

This can also be written as 26 x 891 x 3,9171 = 22,311,232

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


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