Q: What are the prime factors of the number 113,738,028?

 A: 2, 3, 19, 223, 2237

Why are those the prime factors of the number 113,738,028?

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 113,738,028

113,738,028
Factor Arrows
256,869,014
Factor Arrows
228,434,507
Factor Arrows
39,478,169
Factor Arrows
19498,851
Factor Arrows
2232,237

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, 19, 223, 2237

We can check our work by multiplying all of the prime factors together: 2 x 2 x 3 x 19 x 223 x 2,237 = 113,738,028

This can also be written as 22 x 31 x 191 x 2231 x 2,2371 = 113,738,028

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


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