(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 by Paul)

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**