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A158816 Prime factors of 2^843 - 1 1
7, 80929, 1390916281, 2475486361, 48009215293052652841860443273079338843737271906291675944391068955229998769420319, 626322472637042112379617556574437460372478130091490111806135154280070248067062629972139895896953692975358576879266688023648639640273675162065398163911 (list; graph; refs; listen; history; internal format)
OFFSET

1,1

COMMENTS

The 265 bit factor 48009215293052652841860443273079338843737271906291675944391068955229998769420319 was found in less than 30 seconds by Zhenxiang Zhang's method using a 2GHz Athlon. The entire factorization was completed in 47 seconds.

LINKS

Zhenxiang Zhang, Using Lucas Sequences to Factor Large Integers Near Group Orders, 1999

CROSSREFS

Cf. A000040, A000225

Sequence in context: A068251 A123062 A110719 * A173839 A122000 A090769

Adjacent sequences:  A158813 A158814 A158815 * A158817 A158818 A158819

KEYWORD

fini,full,nonn

AUTHOR

Reikku Kulon (reikku(AT)gmail.com), Mar 27 2009

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Last modified February 15 05:45 EST 2012. Contains 205694 sequences.