Q: What are the prime factors of the number 103,123,116?

 A: 2, 3, 43, 66617

Why are those the prime factors of the number 103,123,116?

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 103,123,116

103,123,116
Factor Arrows
251,561,558
Factor Arrows
225,780,779
Factor Arrows
38,593,593
Factor Arrows
32,864,531
Factor Arrows
4366,617

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, 43, 66617

We can check our work by multiplying all of the prime factors together: 2 x 2 x 3 x 3 x 43 x 66,617 = 103,123,116

This can also be written as 22 x 32 x 431 x 66,6171 = 103,123,116

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


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