Q: What are the prime factors of the number 135,485,312?

 A: 2, 1058479

Why are those the prime factors of the number 135,485,312?

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 135,485,312

135,485,312
Factor Arrows
267,742,656
Factor Arrows
233,871,328
Factor Arrows
216,935,664
Factor Arrows
28,467,832
Factor Arrows
24,233,916
Factor Arrows
22,116,958
Factor Arrows
21,058,479

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, 1058479

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 2 x 2 x 2 x 1,058,479 = 135,485,312

This can also be written as 27 x 1,058,4791 = 135,485,312

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


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