3(2^2+1)(2^4+1)(2^8+1)(2^16+1) =(2^2-1)(2^2+1)(2^4+1)(2^8+1)(2^16+1) =(2^4-1)(2^4+1)(2^8+1)(2^16+1) =(2^8-1)(2^8+1)(2^16+1) =(2^16-1)(2^16+1) =2^32 -1 =4 294 967 295
3(2^2+1)(2^4+1)(2^8+1)(2^16+1) =(2^2-1)(2^2+1)(2^4+1)(2^8+1)(2^16+1) =(2^4-1)(2^4+1)(2^8+1)(2^16+1) =(2^8-1)(2^8+1)(2^16+1) =(2^16-1)(2^16+1) =2^32 -1 =4 294 967 295