✔ 最佳答案
質數係 只可除1和自己外 ,
不能整除到其他數,
例如"2,3,5,7,11,13,17,19, 23,29,31,37,41,43,47 ,53,59,
61,67,71,73,79,83,89 ,97,101,103,107,109, 113,127,
131,137,139,149,151, 157,163,167,173,179, 181,191,
193,197,199,211,223, 227,229,233,239,241, 251,257,
263,269,271"
你可以試下除,睇下質數因果關係係點
參考: me..