Q: What are the prime factors of the number 115,622,316?

 A: 2, 3, 13217

Why are those the prime factors of the number 115,622,316?

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 115,622,316

115,622,316
Factor Arrows
257,811,158
Factor Arrows
228,905,579
Factor Arrows
39,635,193
Factor Arrows
33,211,731
Factor Arrows
31,070,577
Factor Arrows
3356,859
Factor Arrows
3118,953
Factor Arrows
339,651
Factor Arrows
313,217

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, 13217

We can check our work by multiplying all of the prime factors together: 2 x 2 x 3 x 3 x 3 x 3 x 3 x 3 x 3 x 13,217 = 115,622,316

This can also be written as 22 x 37 x 13,2171 = 115,622,316

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


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