Q: What are the prime factors of the number 109,067,049?

 A: 3, 7, 13, 19, 43, 163

Why are those the prime factors of the number 109,067,049?

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 109,067,049

109,067,049
Factor Arrows
336,355,683
Factor Arrows
312,118,561
Factor Arrows
71,731,223
Factor Arrows
13133,171
Factor Arrows
197,009
Factor Arrows
43163

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, 7, 13, 19, 43, 163

We can check our work by multiplying all of the prime factors together: 3 x 3 x 7 x 13 x 19 x 43 x 163 = 109,067,049

This can also be written as 32 x 71 x 131 x 191 x 431 x 1631 = 109,067,049

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


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