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TopicGiven that (2^x) = (5^y) + 1 where x and y are integers...
alphapipi
08/21/17 11:17:42 AM
#10:


y must be of a form 6k+3 (other than x=1,y=1) due to 2^y having to be equal to (8 modulus 9)
for x>4 y must be of a form 54k+27
solutions that I've found so far
x=1 y=1
x=2 y=3
given the complexity that y's form increases, I would say that is all of the solutions
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