SOLUTION: 1) if 2^n + 1 is a prime show that n is a power of 2.
it indicates directly to fermat numbers but i can't connect this question with fermat numbers.
2) a printer numbers all the
Algebra ->
Divisibility and Prime Numbers
-> SOLUTION: 1) if 2^n + 1 is a prime show that n is a power of 2.
it indicates directly to fermat numbers but i can't connect this question with fermat numbers.
2) a printer numbers all the
Log On
Question 253439: 1) if 2^n + 1 is a prime show that n is a power of 2.
it indicates directly to fermat numbers but i can't connect this question with fermat numbers.
2) a printer numbers all the pages of a book starting with 1 and uses 3189 digits in all.how many pages does the book have?
i have asked 2 questions which is within the limit. please if u can , answer them. Answer by richwmiller(17219) (Show Source):
You can put this solution on YOUR website! http://en.wikipedia.org/wiki/Fermat_number#Other_theorems_about_Fermat_numbers
The proof is there.
