Q: What are the prime factors of the number 16,541,226?

 A: 2, 3, 13, 23563

Why are those the prime factors of the number 16,541,226?

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 16,541,226

16,541,226
Factor Arrows
28,270,613
Factor Arrows
32,756,871
Factor Arrows
3918,957
Factor Arrows
3306,319
Factor Arrows
1323,563

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, 13, 23563

We can check our work by multiplying all of the prime factors together: 2 x 3 x 3 x 3 x 13 x 23,563 = 16,541,226

This can also be written as 21 x 33 x 131 x 23,5631 = 16,541,226

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


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