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Weird factors
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Some weeks ago, I factored a few thousand randomly selected 90 digits composites from the factordb. Now I looked into factors.txt and I found some weird results, in example:
1555600700000000000000001601024200000000000000000010427 1555600700000000000000001601024200000000000000000012803 1555600700000000000000001601024200000000000000000018191 I tried look from the factordb how "main composite" is constructed, I clicked "more information" and "is factor of" link until there is no more "is factor of" links. One example: Factor: 7778003500000000000000008005121000000000000000000432629 Composite I factored: 574166525689372583386983375886424776249597458537594753827543049623918327174225618805158377 [URL]http://factordb.com/index.php?id=1100000000413224888[/URL] Main composite: C110, [URL]http://factordb.com/index.php?id=1100000000398828388[/URL] I can see, that there is lot of sequential zeros in this main composite, but I can't see where it comes. Any ideas? 60 weird factors in attachment. |
cmd has filled in thousands of factors from such sequences in the FactorDB.
See his posts.... ähm... better his pictures... you will find much examples in there. PS: See like [url=http://www.mersenneforum.org/showpost.php?p=270030&postcount=480]here[/url] |
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[URL="http://www.youtube.com/watch?v=iEVnjtkYGqw&feature=related"]free_dd M_it[/URL]
add ... doubles hump in front ... |°°| |
[QUOTE=rekcahx;270826]Some weeks ago, I factored a few thousand randomly selected 90 digits [/QUOTE]
perhaps, random generator makes tricks, try another one. some generators can be doctored to produce weak RSA numbers :smile: |
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