(A) Determine all possible prime numbers f
such that each of (f
+1)/2 and (f
-1)/4 are prime numbers.
(B) What are the possible prime numbers g
such that each of (g
+1)/4 and (g
-1)/2 are prime numbers?
(In reply to f and g
Well done and congrats on accurately solving Part(A).
However, for Part (B), you seem to have omitted the value g =7 in your solution.
Edited on August 22, 2007, 5:34 am