【導讀】12,3,5,7,11,4,6,8,9,10,12,14,15,16,樣的數(shù)叫做質(zhì)數(shù)(或素數(shù))。一個數(shù),如果除了1和它本身還有別的因數(shù),判斷下列各數(shù)中哪些是質(zhì)數(shù),哪些是合數(shù)。質(zhì)數(shù):17,29,37。合數(shù):22,35,87,93,96。找出100以內(nèi)的質(zhì)數(shù),做一個質(zhì)數(shù)表。下面的說法正確嗎?所有的偶數(shù)都是合數(shù)。個質(zhì)數(shù)想乘得到。