Q: What are the prime factors of the number 117,134,748?

 A: 2, 3, 37, 3257

Why are those the prime factors of the number 117,134,748?

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 117,134,748

117,134,748
Factor Arrows
258,567,374
Factor Arrows
229,283,687
Factor Arrows
39,761,229
Factor Arrows
33,253,743
Factor Arrows
31,084,581
Factor Arrows
3361,527
Factor Arrows
3120,509
Factor Arrows
373,257

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, 37, 3257

We can check our work by multiplying all of the prime factors together: 2 x 2 x 3 x 3 x 3 x 3 x 3 x 37 x 3,257 = 117,134,748

This can also be written as 22 x 35 x 371 x 3,2571 = 117,134,748

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


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