Q: What are the prime factors of the number 115,212,012?

 A: 2, 3, 29, 251, 1319

Why are those the prime factors of the number 115,212,012?

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 115,212,012

115,212,012
Factor Arrows
257,606,006
Factor Arrows
228,803,003
Factor Arrows
39,601,001
Factor Arrows
29331,069
Factor Arrows
2511,319

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, 29, 251, 1319

We can check our work by multiplying all of the prime factors together: 2 x 2 x 3 x 29 x 251 x 1,319 = 115,212,012

This can also be written as 22 x 31 x 291 x 2511 x 1,3191 = 115,212,012

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


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