Q: What are the prime factors of the number 131,440,401?

 A: 3, 540907

Why are those the prime factors of the number 131,440,401?

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 131,440,401

131,440,401
Factor Arrows
343,813,467
Factor Arrows
314,604,489
Factor Arrows
34,868,163
Factor Arrows
31,622,721
Factor Arrows
3540,907

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, 540907

We can check our work by multiplying all of the prime factors together: 3 x 3 x 3 x 3 x 3 x 540,907 = 131,440,401

This can also be written as 35 x 540,9071 = 131,440,401

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


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