Q: What are the prime factors of the number 121,277,488?

 A: 2, 751, 10093

Why are those the prime factors of the number 121,277,488?

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 121,277,488

121,277,488
Factor Arrows
260,638,744
Factor Arrows
230,319,372
Factor Arrows
215,159,686
Factor Arrows
27,579,843
Factor Arrows
75110,093

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, 751, 10093

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 751 x 10,093 = 121,277,488

This can also be written as 24 x 7511 x 10,0931 = 121,277,488

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


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