Q: What are the prime factors of the number 131,211,009?

 A: 3, 89, 6067

Why are those the prime factors of the number 131,211,009?

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 131,211,009

131,211,009
Factor Arrows
343,737,003
Factor Arrows
314,579,001
Factor Arrows
34,859,667
Factor Arrows
31,619,889
Factor Arrows
3539,963
Factor Arrows
896,067

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, 89, 6067

We can check our work by multiplying all of the prime factors together: 3 x 3 x 3 x 3 x 3 x 89 x 6,067 = 131,211,009

This can also be written as 35 x 891 x 6,0671 = 131,211,009

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


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