Q: What are the prime factors of the number 122,112,032?

 A: 2, 7, 545143

Why are those the prime factors of the number 122,112,032?

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 122,112,032

122,112,032
Factor Arrows
261,056,016
Factor Arrows
230,528,008
Factor Arrows
215,264,004
Factor Arrows
27,632,002
Factor Arrows
23,816,001
Factor Arrows
7545,143

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, 7, 545143

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 2 x 7 x 545,143 = 122,112,032

This can also be written as 25 x 71 x 545,1431 = 122,112,032

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


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