Q: What are the prime factors of the number 113,134,208?

 A: 2, 11, 19, 4229

Why are those the prime factors of the number 113,134,208?

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 113,134,208

113,134,208
Factor Arrows
256,567,104
Factor Arrows
228,283,552
Factor Arrows
214,141,776
Factor Arrows
27,070,888
Factor Arrows
23,535,444
Factor Arrows
21,767,722
Factor Arrows
2883,861
Factor Arrows
1180,351
Factor Arrows
194,229

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, 11, 19, 4229

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 2 x 2 x 2 x 11 x 19 x 4,229 = 113,134,208

This can also be written as 27 x 111 x 191 x 4,2291 = 113,134,208

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


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