分解了一个数

前几天,跟pchu和分布式计算论坛的wreck和wpolly合作分解的那个数终于分解出来了,借了同学的电脑来做post processing。

这个数是(10^924-1)/9的因子,159位的数:

51243498563987652400071559470552988310035202875319399661596369405381220025157486

7826192656169940888503707660331015218051596042340115501376173461440063883161629

它等于以下两个数的乘积:

p79=3925277248426748966984537733816767395325307476622633188305245093834818012069881

p81=130547462818138630777456508666491939964821812774903307594092374520935816757936709

然后我们是用GNFS(广义数域筛法)来分解这个东西的,花了四个人一共大概4个月的时间……

嘛,只要结果好就好~~~

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