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From: Ben Bacarisse <ben.usenet@bsb.me.uk>
Newsgroups: comp.programming
Subject: Re: really? (lame question about primes)
Date: Wed, 02 Sep 2015 14:21:39 +0100
Organization: A noiseless patient Spider
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References: <5e5de47a-7353-4ffc-9f5d-ec083d1d63ba@googlegroups.com> <kt4Fx.394338$3n4.170027@fx35.am4> <44a165dc-8447-4ae0-8695-557a7ddf00cf@googlegroups.com> <ms3peh$o5v$1@dont-email.me> <_RfFx.418341$bt.398932@fx32.am4> <d91bce8a-2655-4db6-8fc3-ce1df53e959b@googlegroups.com> <uLoFx.516161$Me5.63982@fx42.am4> <5954b4ea-b6af-4216-a288-66301d20c67a@googlegroups.com> <4xpFx.791070$sY7.495062@fx30.am4> <ms5bvc$n5n$2@speranza.aioe.org> <9991fe20-bfea-48e1-9c44-3e4ca2f822e7@googlegroups.com> <d8sFx.324164$tz.265438@fx02.am4> <XnsA509C8731C226jamesdowallen@178.63.61.175>
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James Dow Allen <gmail@jamesdowallen.nospam> writes:

> Richard Heathfield <rjh@cpax.org.uk> might have writ, in news:d8sFx.324164
> $tz.265438@fx02.am4:
>
>> Here's a product of two primes:
>> 
>> 58240024563391777851261291575917006595873586378340\
>> 06933501482037788347032155265963843106235363953614\
>> 49841148805852200248028532053742301130515851591046\
>> 09780764992214765245952615895162196506824080887010\
>> 84909798795532569027855897144990861217719976822376\
>> 60245183108382607111271438893289345453397044868767\
>> 74937653432105197140786655752847106640293149009133\
>> 49133637852917819933171853595092059610555346845194\
>> 20546782513079321228879093216436059864014065839170\
>> 63336369425428124884924467183572745778186732426767\
>> 31177226131629502125332694404335922836373000524949\
>> 96264733742856842752930777926209786527196791359153\
>> 71
>> 
>> Good luck factoring it.
>
> Now you're just being sadistic.  (And BTW how did you come up with that 
> number?)
>
> I'll be impressed by whoever is first to factor this number
> 6666666666666666666666666666666664295863450544367679162527001239842359

= 67499999992406250000094921874999003 x 98765432109876543210987654321098453

> (Please tell us how you did it.)

Too embarrassed!

-- 
Ben.