Q: What are the prime factors of the number 117,804,138?

 A: 2, 3, 89, 167, 1321

Why are those the prime factors of the number 117,804,138?

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 117,804,138

117,804,138
Factor Arrows
258,902,069
Factor Arrows
319,634,023
Factor Arrows
89220,607
Factor Arrows
1671,321

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, 89, 167, 1321

We can check our work by multiplying all of the prime factors together: 2 x 3 x 89 x 167 x 1,321 = 117,804,138

This can also be written as 21 x 31 x 891 x 1671 x 1,3211 = 117,804,138

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


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