合数查询
8
498305到498413的合数
498305
498306
498307
498308
498309
498310
498311
498312
498313
498314
498315
498316
498317
498318
498319
498320
498321
498322
498323
498324
498325
498326
498327
498328
498329
498330
498332
498333
498334
498335
498336
498337
498338
498339
498340
498341
498342
498344
498345
498346
498347
498348
498349
498350
498351
498352
498353
498354
498355
498356
498357
498358
498359
498360
498362
498363
498364
498365
498366
498368
498369
498370
498371
498372
498373
498374
498375
498376
498377
498378
498379
498380
498381
498382
498383
498384
498385
498386
498387
498388
498389
498390
498392
498393
498394
498395
498396
498398
498399
498400
498402
498404
498405
498406
498407
498408
498410
498411
498412
498413
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。