Jika p={x|x≤15, x bilangan ganjil} Dan Q ={x|x bilangan prima yang ganjil}maka P n Q adalah

P = { 1, 3, 5, 7, 9, 11, 13, 15 }
Q = { 3, 5, 7, 11, 13, 17, 19, ..... }
PnQ = { 3, 5, 7, 11, 13 }