Q: What are the prime factors of the number 119,793,021?

 A: 3, 31, 41, 89, 353

Why are those the prime factors of the number 119,793,021?

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 119,793,021

119,793,021
Factor Arrows
339,931,007
Factor Arrows
311,288,097
Factor Arrows
4131,417
Factor Arrows
89353

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:

3, 31, 41, 89, 353

We can check our work by multiplying all of the prime factors together: 3 x 31 x 41 x 89 x 353 = 119,793,021

This can also be written as 31 x 311 x 411 x 891 x 3531 = 119,793,021

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


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