2到1000中有多少个伪素数答:1百万以下得到伪素数共如下245个341,561,645,1105,1387,1729,1905,2047,2465,2701,2821,3277,4033,4369,4371,4681,5461,6601,7957,8321,8481,8911,10261,10585,11305,12801,13741,13747,13981,14491,15709,15841,16705,18705,18721,19951,23001,23377,25761,29341,30121,30889,31417,31609,31621,33153...