fivemack (fivemack) wrote,
fivemack
fivemack

A little multiplication exercise

Why not multiply out

1907145664709063958354268537876114943171 * 2282249079063136761889376337454791894323802478621 * 1327437030532454031084789475205826920108788207304808616927065055833914814194080582426819377847


[the hardware and software state of the art is such that factoring 130-digit general numbers, or 180-digit numbers of sufficiently special shape, takes about a week on a 2007-vintage desktop computer using free software; there are various bits of the software you can tweak which I suspect can get that down to four or five days]
Tags: geek math
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