Q: What are the prime factors of the number 188,089,426?

 A: 2, 7, 37, 331, 1097

Why are those the prime factors of the number 188,089,426?

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 188,089,426

188,089,426
Factor Arrows
294,044,713
Factor Arrows
713,434,959
Factor Arrows
37363,107
Factor Arrows
3311,097

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, 37, 331, 1097

We can check our work by multiplying all of the prime factors together: 2 x 7 x 37 x 331 x 1,097 = 188,089,426

This can also be written as 21 x 71 x 371 x 3311 x 1,0971 = 188,089,426

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


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