Q: What are the prime factors of the number 18,768,652?

 A: 2, 7, 41, 16349

Why are those the prime factors of the number 18,768,652?

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 18,768,652

18,768,652
Factor Arrows
29,384,326
Factor Arrows
24,692,163
Factor Arrows
7670,309
Factor Arrows
4116,349

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, 7, 41, 16349

We can check our work by multiplying all of the prime factors together: 2 x 2 x 7 x 41 x 16,349 = 18,768,652

This can also be written as 22 x 71 x 411 x 16,3491 = 18,768,652

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


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