Q: What are the prime factors of the number 131,041,404?

 A: 2, 3, 13, 19, 14737

Why are those the prime factors of the number 131,041,404?

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 131,041,404

131,041,404
Factor Arrows
265,520,702
Factor Arrows
232,760,351
Factor Arrows
310,920,117
Factor Arrows
33,640,039
Factor Arrows
13280,003
Factor Arrows
1914,737

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, 19, 14737

We can check our work by multiplying all of the prime factors together: 2 x 2 x 3 x 3 x 13 x 19 x 14,737 = 131,041,404

This can also be written as 22 x 32 x 131 x 191 x 14,7371 = 131,041,404

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


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