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

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MnStatusDetails
156059Composite, with 3 known prime factors. Cofactor is composite.
Factored
FactorDigitsBitsDate
19039199824.2old
21536143824.42008-07-27 10:49:08
3155191586572024412788012478.12018-11-07 00:46:03
ECM
DigitsB1Curves
2550000280 / 280
30250000640 / 640
351000000173 / 1566
Estimated T-Level: 30.6
TF below 2^96 is very unlikely to find new factors due to ECM effort.
PRP Cofactor
StatusDateUserResidueNumber of
known factors
ShiftTypeBase
Verified (Factored)2017-09-22Oliver Kruse8B1533C62923304B2013
Verified (Factored)2017-10-11kkmrkkblmbrbk8B1533C62923304B26841813
Verified2018-11-07Oliver Kruse3892EC931C75EAC0312086953
Verified2018-11-07ATH3892EC931C75EAC03752053
History
DateUserTypeResult
2018-11-07ATHC-PRP
M156059/19039199/21536143/315519158657202441278801 : 3892EC931C75EAC0
PRP: Verified
PRP without proof (small exponent)
2018-11-07Oliver KruseC-PRP
M156059/19039199/21536143/315519158657202441278801 : 3892EC931C75EAC0
PRP: Verified
PRP without proof (small exponent)
2018-11-07Niels_Mache_NextcloudF-ECM
Factor: 315519158657202441278801 / (ECM curve 1, B1=250000, B2=25000000)
2017-10-11kkmrkkblmbrbkC-PRP
M156059/19039199/21536143 : 8B1533C62923304B
PRP: Verified
PRP without proof (small exponent)
2017-09-22Oliver KruseC-PRP
M156059/19039199/21536143 : 8B1533C62923304B
PRP: Verified
PRP without proof (not generated)
2017-09-21Oliver KruseC-PRP
M156059/19039199/21536143 : 8B1533C62923304B
PRP without proof (not generated)
2016-12-16kkmrkkblmbrbkNF-PM1
B1=100000000, B2=2000000000, E=12
2008-07-27J FeitsmaF
Factor: 21536143