Q: What are the prime factors of the number 117,680,680?

 A: 2, 5, 13, 19, 43, 277

Why are those the prime factors of the number 117,680,680?

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 117,680,680

117,680,680
Factor Arrows
258,840,340
Factor Arrows
229,420,170
Factor Arrows
214,710,085
Factor Arrows
52,942,017
Factor Arrows
13226,309
Factor Arrows
1911,911
Factor Arrows
43277

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, 5, 13, 19, 43, 277

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 5 x 13 x 19 x 43 x 277 = 117,680,680

This can also be written as 23 x 51 x 131 x 191 x 431 x 2771 = 117,680,680

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


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