Q: What are the prime factors of the number 115,100,234?

 A: 2, 17, 23, 103, 1429

Why are those the prime factors of the number 115,100,234?

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 115,100,234

115,100,234
Factor Arrows
257,550,117
Factor Arrows
173,385,301
Factor Arrows
23147,187
Factor Arrows
1031,429

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, 17, 23, 103, 1429

We can check our work by multiplying all of the prime factors together: 2 x 17 x 23 x 103 x 1,429 = 115,100,234

This can also be written as 21 x 171 x 231 x 1031 x 1,4291 = 115,100,234

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


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