Q: What are the prime factors of the number 127,895,280?

 A: 2, 3, 5, 167, 3191

Why are those the prime factors of the number 127,895,280?

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 127,895,280

127,895,280
Factor Arrows
263,947,640
Factor Arrows
231,973,820
Factor Arrows
215,986,910
Factor Arrows
27,993,455
Factor Arrows
32,664,485
Factor Arrows
5532,897
Factor Arrows
1673,191

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, 5, 167, 3191

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 3 x 5 x 167 x 3,191 = 127,895,280

This can also be written as 24 x 31 x 51 x 1671 x 3,1911 = 127,895,280

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


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