Marin Mersenne 2^P-1
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Finding World Record Primes Since 1996

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MnStatusDetails
30577Composite, with 2 known prime factors. Cofactor is composite.
Factored
FactorDigitsBitsDate
1430221666006776430945481292233096.9old
190736415428532443868887221887937876943940130.52014-12-16 06:31:23
ECM
DigitsB1Curves
2550000280 / 280
30250000640 / 640
3510000001566 / 1566
4030000002497 / 4588
Estimated T-Level: 37.7
TF below 2^120 is very unlikely to find new factors due to ECM effort.
PRP Cofactor
StatusDateUserResidueNumber of
known factors
ShiftTypeBase
Verified2017-09-21Oliver Kruse9736F0C021DB61F72013
Verified2017-10-02kkmrkkblmbrbk9736F0C021DB61F72013
Verified2017-12-07ATH9736F0C021DB61F7281013
Verified2020-04-17Oliver Kruse0B12C1C0F68290DE2785853
Verified2024-07-01kkmrkkblmbrbk0B12C1C0F68290DE21900053
History
DateUserTypeResult
2024-12-27masserNF-PP1
Start=194/41, B1=80000000, B2=79920000000
2024-12-22masserNF-PP1
Start=6/5, B1=80000000, B2=79920000000
2024-12-10masserNF-PP1
Start=2/7, B1=80000000, B2=79920000000
2024-07-01kkmrkkblmbrbkC-PRP
M30577/143022166600677643094548129223/1907364154285324438688872218879378769439 : 0B12C1C0F68290DE
PRP: Verified
PRP without proof (small exponent)
2022-10-18nordiNF-PM1
B1=3000000000, B2=920287779501090
2022-09-23nordiNF-PM1
B1=3000000000
2020-04-17Oliver KruseC-PRP
M30577/143022166600677643094548129223/1907364154285324438688872218879378769439 : 0B12C1C0F68290DE
PRP: Verified
PRP without proof (small exponent)
2017-12-07ATHC-PRP
M30577/143022166600677643094548129223/1907364154285324438688872218879378769439 : 9736F0C021DB61F7
PRP: Verified
PRP without proof (small exponent)
2017-10-02kkmrkkblmbrbkC-PRP
M30577/143022166600677643094548129223/1907364154285324438688872218879378769439 : 9736F0C021DB61F7
PRP: Verified
PRP without proof (not generated)
2017-09-21Oliver KruseC-PRP
M30577/143022166600677643094548129223/1907364154285324438688872218879378769439 : 9736F0C021DB61F7
PRP without proof (not generated)
2016-10-06kkmrkkblmbrbkNF-PM1
B1=200000000, B2=5000000000, E=12
2014-12-16James HintzF-ECM
Factor: 1907364154285324438688872218879378769439 / (ECM curve 452, B1=250000, B2=25000000)