Q: What are the prime factors of the number 131,030,406?

 A: 2, 3, 13, 186653

Why are those the prime factors of the number 131,030,406?

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 131,030,406

131,030,406
Factor Arrows
265,515,203
Factor Arrows
321,838,401
Factor Arrows
37,279,467
Factor Arrows
32,426,489
Factor Arrows
13186,653

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, 186653

We can check our work by multiplying all of the prime factors together: 2 x 3 x 3 x 3 x 13 x 186,653 = 131,030,406

This can also be written as 21 x 33 x 131 x 186,6531 = 131,030,406

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


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