Q: What are the prime factors of the number 122,012,110?

 A: 2, 5, 11, 19, 58379

Why are those the prime factors of the number 122,012,110?

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 122,012,110

122,012,110
Factor Arrows
261,006,055
Factor Arrows
512,201,211
Factor Arrows
111,109,201
Factor Arrows
1958,379

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, 5, 11, 19, 58379

We can check our work by multiplying all of the prime factors together: 2 x 5 x 11 x 19 x 58,379 = 122,012,110

This can also be written as 21 x 51 x 111 x 191 x 58,3791 = 122,012,110

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


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