Q: What are the prime factors of the number 115,047,189?

 A: 3, 41, 103, 1009

Why are those the prime factors of the number 115,047,189?

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 115,047,189

115,047,189
Factor Arrows
338,349,063
Factor Arrows
312,783,021
Factor Arrows
34,261,007
Factor Arrows
41103,927
Factor Arrows
1031,009

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, 41, 103, 1009

We can check our work by multiplying all of the prime factors together: 3 x 3 x 3 x 41 x 103 x 1,009 = 115,047,189

This can also be written as 33 x 411 x 1031 x 1,0091 = 115,047,189

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


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