Q: What are the prime factors of the number 118,231,641?

 A: 3, 11, 151, 719

Why are those the prime factors of the number 118,231,641?

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 118,231,641

118,231,641
Factor Arrows
339,410,547
Factor Arrows
313,136,849
Factor Arrows
111,194,259
Factor Arrows
11108,569
Factor Arrows
151719

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:

3, 11, 151, 719

We can check our work by multiplying all of the prime factors together: 3 x 3 x 11 x 11 x 151 x 719 = 118,231,641

This can also be written as 32 x 112 x 1511 x 7191 = 118,231,641

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


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