43,17,3,11,41,13,41,37,79,11是质数
100以下所有的数中有25个质数
2,61,7,29,53,19,47,73,5,73,23,71,61,31,67,59,83,8913
13,41,61,73,11是质数
100以下所有的数中有25个质数
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
质数:13,41,61,73,11
合数:27,57,84,85,15,33,49,51,63,91,99
100以内的质数有: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。共25个。
13,41,61,73,11是质数
27,57,84,85,15,33,49,51,63,91,99是合数