Q: What are the prime factors of the number 115,342,336?

 A: 2, 73, 1543

Why are those the prime factors of the number 115,342,336?

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 115,342,336

115,342,336
Factor Arrows
257,671,168
Factor Arrows
228,835,584
Factor Arrows
214,417,792
Factor Arrows
27,208,896
Factor Arrows
23,604,448
Factor Arrows
21,802,224
Factor Arrows
2901,112
Factor Arrows
2450,556
Factor Arrows
2225,278
Factor Arrows
2112,639
Factor Arrows
731,543

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, 73, 1543

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 2 x 2 x 2 x 73 x 1,543 = 115,342,336

This can also be written as 210 x 731 x 1,5431 = 115,342,336

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


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