Q: What are the prime factors of the number 38,121,559?

 A: 7, 47, 16553

Why are those the prime factors of the number 38,121,559?

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 38,121,559

38,121,559
Factor Arrows
75,445,937
Factor Arrows
7777,991
Factor Arrows
4716,553

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:

7, 47, 16553

We can check our work by multiplying all of the prime factors together: 7 x 7 x 47 x 16,553 = 38,121,559

This can also be written as 72 x 471 x 16,5531 = 38,121,559

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


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