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Old 2005-04-19, 23:45   #2
ewmayer
2ω=0
 
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Sep 2002
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2×5×17×67 Posts
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Note that

p69 - 1 = 2^3.3.5.7.647.1346346630030951524190921423826719541610668200076620870034510621

and

p69 + 1 = 2.365856233244610767183640987710672768237282976688820955223177916150541

Now if there were a factorization ehnhancement to the p+-1 methods which made the factorization effort dependent on the penultimate factor of p+-1 (rather than the largest factor), that p69 could have been found sans NFS. Hey, a boy can dream, can't he?
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