合数查询
8
497984到498091的合数
497984
497985
497986
497987
497988
497990
497991
497992
497994
497995
497996
497997
497998
498000
498001
498002
498003
498004
498005
498006
498007
498008
498009
498010
498011
498012
498014
498015
498016
498017
498018
498019
498020
498021
498022
498023
498024
498025
498026
498027
498028
498029
498030
498031
498032
498033
498034
498035
498036
498037
498038
498039
498040
498041
498042
498043
498044
498045
498046
498047
498048
498049
498050
498051
498052
498054
498055
498056
498057
498058
498059
498060
498062
498063
498064
498065
498066
498067
498068
498069
498070
498071
498072
498074
498075
498076
498077
498078
498079
498080
498081
498082
498083
498084
498085
498086
498087
498088
498090
498091
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。