Q: What are the prime factors of the number 135,222,568?

 A: 2, 13, 37, 35141

Why are those the prime factors of the number 135,222,568?

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 135,222,568

135,222,568
Factor Arrows
267,611,284
Factor Arrows
233,805,642
Factor Arrows
216,902,821
Factor Arrows
131,300,217
Factor Arrows
3735,141

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, 13, 37, 35141

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 13 x 37 x 35,141 = 135,222,568

This can also be written as 23 x 131 x 371 x 35,1411 = 135,222,568

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


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