Q: What are the prime factors of the number 120,872,011?

 A: 13, 43, 16633

Why are those the prime factors of the number 120,872,011?

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 120,872,011

120,872,011
Factor Arrows
139,297,847
Factor Arrows
13715,219
Factor Arrows
4316,633

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:

13, 43, 16633

We can check our work by multiplying all of the prime factors together: 13 x 13 x 43 x 16,633 = 120,872,011

This can also be written as 132 x 431 x 16,6331 = 120,872,011

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


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