mathematica 发表于 2008-12-16 21:27:27

阶梯素数

无心人总是喜欢发明各种素数！
我也发明一个阶梯素数，先看结果再说！
20012003200520072009
不用我解释了吧，就是这样的素数，事实上
让我来解释，我也解释不好。:lol
试多找出几个这样的素数！

mathematica 发表于 2008-12-16 21:28:05

再给大一点的阶梯素数

20012003200520072009201120132015201720192021202320252027202920312033203520372039204120432045204720492051205320552057205920612063206520672069207120732075207720792081208320852087208920912093209520972099210121032105210721092111

mathematica 发表于 2008-12-16 21:29:50

分段写一下那个大素数！

2001200320052007.....................210721092111（简写一下！）

mathematica 发表于 2008-12-16 21:33:28

再给一个以1997开头的

1997199920012003200520072009201120132015201720192021202320252027202920\
3120332035203720392041204320452047204920512053205520572059206120632065\
20672069207120732075207720792081

大家可以用hugecalc判定一下！！！！！

mathematica 发表于 2008-12-16 21:33:52

再一个1997开头的

1997199920012003200520072009201120132015201720192021202320252027202920\
3120332035203720392041204320452047204920512053205520572059206120632065\
2067206920712073207520772079208120832085208720892091209320952097209921\
0121032105210721092111211321152117211921212123212521272129213121332135\
213721392141214321452147

mathematica 发表于 2008-12-16 21:36:25

2005开头的

2005200720092011201320152017201920212023

mathematica 发表于 2008-12-16 21:37:26

2007开头的

第一个：
2007200920112013201520172019202120232025202720292031203320352037203920\
4120432045204720492051205320552057
第二个：
2007200920112013201520172019202120232025202720292031203320352037203920\
4120432045204720492051205320552057205920612063206520672069207120732075\
2077207920812083208520872089209120932095209720992101210321052107210921\
1121132115211721192121212321252127212921312133213521372139214121432145\
2147214921512153215521572159216121632165216721692171217321752177217921\
812183218521872189219121932195219721992201

mathematica 发表于 2008-12-16 21:38:27

2011开头的！

第一个：
20112013201520172019
第二个：
2011201320152017201920212023202520272029203120332035203720392041204320\
4520472049205120532055205720592061206320652067206920712073207520772079\
2081208320852087208920912093209520972099210121032105210721092111211321\
1521172119212121232125212721292131213321352137213921412143214521472149\
2151215321552157215921612163216521672169217121732175217721792181218321\
852187218921912193219521972199

mathematica 发表于 2008-12-16 21:39:09

2017开头的！

20172019202120232025202720292031203320352037203920412043204520472049

mathematica 发表于 2008-12-16 21:39:32

2023开头的

2023202520272029203120332035203720392041204320452047204920512053
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