Q: What are the prime factors of the number 131,024,478?

 A: 2, 3, 13, 1679801

Why are those the prime factors of the number 131,024,478?

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 131,024,478

131,024,478
Factor Arrows
265,512,239
Factor Arrows
321,837,413
Factor Arrows
131,679,801

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, 1679801

We can check our work by multiplying all of the prime factors together: 2 x 3 x 13 x 1,679,801 = 131,024,478

This can also be written as 21 x 31 x 131 x 1,679,8011 = 131,024,478

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


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