Q: What are the prime factors of the number 127,275,984?

 A: 2, 3, 11, 19, 4229

Why are those the prime factors of the number 127,275,984?

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 127,275,984

127,275,984
Factor Arrows
263,637,992
Factor Arrows
231,818,996
Factor Arrows
215,909,498
Factor Arrows
27,954,749
Factor Arrows
32,651,583
Factor Arrows
3883,861
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, 3, 11, 19, 4229

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 3 x 3 x 11 x 19 x 4,229 = 127,275,984

This can also be written as 24 x 32 x 111 x 191 x 4,2291 = 127,275,984

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


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