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Old 2020-09-05, 09:00   #499
Happy5214
 
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"Alexander"
Nov 2008
The Alamo City

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This is (AFAIK) my personal ECM record:

122760214563986517403408012718327323026952918039831060056060998708807150488395908248657867219215800100789370303292314531669 = 85548851675281967428710863747045885644186850007163 * 1434972090916519038274518487801044320499147038941606461183097450445450863 (21^76:i208).

This P50 was found in just 410 curves at B1=3M. I lack patience and my hardware is really old, so this saved the sequence from exceeding the self-imposed C120 cofactor limit for NFS.
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