Q: What are the prime factors of the number 138,011,700?

 A: 2, 3, 5, 460039

Why are those the prime factors of the number 138,011,700?

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 138,011,700

138,011,700
Factor Arrows
269,005,850
Factor Arrows
234,502,925
Factor Arrows
311,500,975
Factor Arrows
52,300,195
Factor Arrows
5460,039

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, 5, 460039

We can check our work by multiplying all of the prime factors together: 2 x 2 x 3 x 5 x 5 x 460,039 = 138,011,700

This can also be written as 22 x 31 x 52 x 460,0391 = 138,011,700

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


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