Q: What are the prime factors of the number 22,043,382?

 A: 2, 3, 19, 10177

Why are those the prime factors of the number 22,043,382?

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 22,043,382

22,043,382
Factor Arrows
211,021,691
Factor Arrows
33,673,897
Factor Arrows
19193,363
Factor Arrows
1910,177

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, 19, 10177

We can check our work by multiplying all of the prime factors together: 2 x 3 x 19 x 19 x 10,177 = 22,043,382

This can also be written as 21 x 31 x 192 x 10,1771 = 22,043,382

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


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