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

PrimeNet Exponent Status

Exponent Range:










MnStatusDetails
15788429Factored
FactorDigitsBitsDate
221038007927.7old
12630743211030.22008-09-08 11:39:59
27471866471031.42008-09-08 11:39:59
4261296987111238.62008-09-08 11:39:59
928186584018171446.42008-09-08 11:39:59
3575622882901911548.32012-05-12 19:07:54
3237347634251388400812168.12023-01-19 18:23:14
PRP Cofactor
StatusDateUserResidueNumber of
known factors		ShiftTypeBase
Verified (Factored)2022-11-21Naegi Makoto43D58354F93707AB61405815253
Verified2023-01-28Naegi Makoto43D58354F93707AB7187893653
History
DateUserTypeResult
2023-08-28nordiNF-PM1
B1=480000, B2=264402600
2023-08-11nordiNF-PM1
B1=480000
2023-01-28Ben DeloCERT
PRP Certification
Proof certified good
2023-01-28Naegi MakotoC-PRP
M15788429/221038007/1263074321/2747186647/426129698711/92818658401817/357562288290191/323734763425138840081 : 43D58354F93707AB
PRP proof power = 8
PRP: Verified
Proof certified good
2023-01-19LordJuliusNF
no factor from 2^69 to 2^70
2023-01-19LordJuliusNF
no factor from 2^68 to 2^69
2023-01-19LordJuliusF
Factor: 323734763425138840081 / TF: 68-69
2023-01-19LordJuliusNF
no factor from 2^67 to 2^68
2022-11-21Steve JacobsonCERT
PRP Certification
Proof certified good
2022-11-21Naegi MakotoC-PRP
M15788429/221038007/1263074321/2747186647/426129698711/92818658401817/357562288290191 : 43D58354F93707AB
PRP proof power = 8
PRP: Verified (Factored)
Proof certified good
2021-08-06Seth_TrNF
no factor from 2^66 to 2^67
2019-06-20Seth_TrNF
no factor from 2^67 to 2^68
2012-05-12AxonF
Factor: 357562288290191
2008-09-08Will EdgingtonF
Factor: 92818658401817
2008-09-08Will EdgingtonF
Factor: 426129698711
2008-09-08Will EdgingtonF
Factor: 2747186647
2008-09-08Will EdgingtonF
Factor: 1263074321