合数查询
8
498955到499062的合数
498955
498956
498957
498958
498959
498960
498962
498963
498964
498965
498966
498967
498968
498969
498970
498971
498972
498974
498975
498976
498978
498979
498980
498981
498982
498983
498984
498985
498986
498987
498988
498990
498991
498992
498993
498994
498995
498996
498997
498998
498999
499000
499001
499002
499003
499004
499005
499006
499007
499008
499009
499010
499011
499012
499013
499014
499015
499016
499017
499018
499019
499020
499022
499023
499024
499025
499026
499028
499029
499030
499031
499032
499034
499035
499036
499037
499038
499040
499041
499042
499043
499044
499045
499046
499047
499048
499049
499050
499051
499052
499053
499054
499055
499056
499057
499058
499059
499060
499061
499062
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。