Q: What are the prime factors of the number 137,372,112?

 A: 2, 3, 105997

Why are those the prime factors of the number 137,372,112?

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 137,372,112

137,372,112
Factor Arrows
268,686,056
Factor Arrows
234,343,028
Factor Arrows
217,171,514
Factor Arrows
28,585,757
Factor Arrows
32,861,919
Factor Arrows
3953,973
Factor Arrows
3317,991
Factor Arrows
3105,997

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, 105997

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 3 x 3 x 3 x 3 x 105,997 = 137,372,112

This can also be written as 24 x 34 x 105,9971 = 137,372,112

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


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