Q: What are the prime factors of the number 138,370,416?

 A: 2, 3, 2882717

Why are those the prime factors of the number 138,370,416?

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 138,370,416

138,370,416
Factor Arrows
269,185,208
Factor Arrows
234,592,604
Factor Arrows
217,296,302
Factor Arrows
28,648,151
Factor Arrows
32,882,717

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, 2882717

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 3 x 2,882,717 = 138,370,416

This can also be written as 24 x 31 x 2,882,7171 = 138,370,416

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


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