Re: How do I do very big integer computing by Mathematica?

*To*: mathgroup at smc.vnet.net*Subject*: [mg115389] Re: How do I do very big integer computing by Mathematica?*From*: Ulvi Yurtsever <a at b.c>*Date*: Mon, 10 Jan 2011 02:35:02 -0500 (EST)*References*: <igbnia$hho$1@smc.vnet.net>

a boy <avvboy at gmail.com> wrote in news:igbnia$hho$1 at smc.vnet.net: > I asked how to do very-big-integer computing. For example: > Mod[2^2^64,1342352] > It's pity, this code causes overflow! > is there some funtions like this: StringMod["111...111","345"] why don't you use PowerMod? In[2]:= PowerMod[2, 2^64,1342352] Out[2]= 963840