合数查询
8
499064到499174的合数
499064
499065
499066
499068
499069
499070
499071
499072
499073
499074
499075
499076
499077
499078
499079
499080
499081
499082
499083
499084
499085
499086
499087
499088
499089
499090
499091
499092
499093
499094
499095
499096
499097
499098
499100
499101
499102
499103
499104
499105
499106
499107
499108
499109
499110
499111
499112
499113
499114
499115
499116
499118
499119
499120
499121
499122
499123
499124
499125
499126
499128
499130
499131
499132
499134
499135
499136
499137
499138
499140
499142
499143
499144
499145
499146
499147
499148
499149
499150
499152
499153
499154
499155
499156
499158
499160
499161
499162
499163
499164
499165
499166
499167
499168
499169
499170
499171
499172
499173
499174
合数是至少有三个正因数的自然数，奇合数构成算术级数定理（狄利克雷定理）。卡迈克尔数是绝对伪素数，满足对所有基数的费马同余。合数分解是公钥密码分析的核心问题，未被证明是否属于NP完全问题。最小合数为4，唯一偶合数为2的例外。