P 5 2 8 July 8, 2019 16 32 64 128 P 2 3 5 8 3 p 5 2 )= p 8 4 P 2 8p 5 0 93 5 2 p 8 )- 4p P 5 8q 3 2 8p 5 p 2 20 2 5 p )= 8 8 4p 5 p 2 8p 5p 5 p 2 7 10 p 2 5 3 8 8 2 p 5 )=- 10 2 p 1 5 8 P 8 2 p 5 4 2 5/8 copper p trap