Marin Mersenne 2^P-1
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Great Internet Mersenne Prime Search
GIMPS
Finding World Record Primes Since 1996

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MnStatusDetails
17569897Factored
FactorDigitsBitsDate
763671930865351911756.1old
21608132746573326614892270.92021-08-11 16:50:51
ECM
DigitsB1Curves
25500002 / 280
Estimated T-Level: 20.0
TF below 2^62 is very unlikely to find new factors due to ECM effort.
History
DateUserTypeResult
2021-08-11ATHF-PP1
Start=2/7, B1=100000, B2=10000000, Factor: 2160813274657332661489