Q: What are the prime factors of the number 189,048,496?

 A: 2, 7, 13, 129841

Why are those the prime factors of the number 189,048,496?

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 189,048,496

189,048,496
Factor Arrows
294,524,248
Factor Arrows
247,262,124
Factor Arrows
223,631,062
Factor Arrows
211,815,531
Factor Arrows
71,687,933
Factor Arrows
13129,841

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, 7, 13, 129841

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 7 x 13 x 129,841 = 189,048,496

This can also be written as 24 x 71 x 131 x 129,8411 = 189,048,496

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


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