Q: What are the prime factors of the number 131,193,603?

 A: 3, 53, 275039

Why are those the prime factors of the number 131,193,603?

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 131,193,603

131,193,603
Factor Arrows
343,731,201
Factor Arrows
314,577,067
Factor Arrows
53275,039

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, 53, 275039

We can check our work by multiplying all of the prime factors together: 3 x 3 x 53 x 275,039 = 131,193,603

This can also be written as 32 x 531 x 275,0391 = 131,193,603

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


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