Q: What are the prime factors of the number 122,387,268?

 A: 2, 3, 37, 373, 739

Why are those the prime factors of the number 122,387,268?

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 122,387,268

122,387,268
Factor Arrows
261,193,634
Factor Arrows
230,596,817
Factor Arrows
310,198,939
Factor Arrows
37275,647
Factor Arrows
373739

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, 37, 373, 739

We can check our work by multiplying all of the prime factors together: 2 x 2 x 3 x 37 x 373 x 739 = 122,387,268

This can also be written as 22 x 31 x 371 x 3731 x 7391 = 122,387,268

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


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