Q: What are the prime factors of the number 39,544,131?

 A: 3, 11, 41, 2657

Why are those the prime factors of the number 39,544,131?

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 39,544,131

39,544,131
Factor Arrows
313,181,377
Factor Arrows
111,198,307
Factor Arrows
11108,937
Factor Arrows
412,657

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, 11, 41, 2657

We can check our work by multiplying all of the prime factors together: 3 x 11 x 11 x 41 x 2,657 = 39,544,131

This can also be written as 31 x 112 x 411 x 2,6571 = 39,544,131

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


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