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Old 2020-02-23, 22:39   #160
swellman
 
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Jun 2012

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Default C217 degree 5

Found in January of 2020 by me as part of the 2,1165+ Cunningham effort.
https://www.mersenneforum.org/showpo...1&postcount=33

Spun by Max026.
https://www.mersenneforum.org/showpo...8&postcount=45

Though a record e-score, ultimately this polynomial was never used for a GNFS job.

Code:
Y0: -319154103273695928190552289959192641142053
Y1: 112133562803551313296282498
c0: 998948860466322315779636068194177185404977857456
c1: -63173211469851462649297026734535945822936
c2: 14609182693856061217887437854035851
c3: -444710848676934482139797820
c4: -1732258472013681067
c5: 1941079140
skew: 105094248.92076
# size 2.563e-21, alpha -7.535, combined = 4.024e-16 rroots = 3
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