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
5036351Factored
FactorDigitsBitsDate
60552683638003503171441517081222333108.92021-10-28 03:08:49
ECM
DigitsB1Curves
255000044 / 280
Estimated T-Level: 20.8 ⓘ
TF below 2^64 is very unlikely to find new factors due to ECM effort.
LL
StatusDateUserResidueShift
Verified (Factored)David A McGoughD679678F26D852BA0
Verified (Factored)2000-06-11Przemyslaw JaroszewskiD679678F26D852BA921608
PRP Cofactor
StatusDateUserResidueNumber of
known factors		ShiftTypeBase
Verified2021-10-28ATH1743FAB67EE1465B1280463953
History
DateUserTypeResult
2021-10-28GIMPS-PRIMCERT
PRP Certification
Proof certified good
2021-10-28ATHC-PRP
M5036351/605526836380035031714415170812223 : 1743FAB67EE1465B
PRP proof power = 7
PRP: Verified
Proof certified good
2021-10-28ATHF-PP1
Start=2/7, B1=2500000, B2=87500000, Factor: 605526836380035031714415170812223
2021-04-02-Anonymous-NF
no factor from 2^71 to 2^72
2021-04-02-Anonymous-NF
no factor from 2^70 to 2^71
2021-04-02-Anonymous-NF
no factor from 2^69 to 2^70
2021-01-11TJAOINF
no factor from 2^68 to 2^69
2018-06-11ramgeisNF
no factor from 2^67 to 2^68
2017-03-01Squeeky_SquirrelNF-PM1
B1=300000, B2=9375000, E=12
2016-05-18Gordon SpenceNF
no factor from 2^66 to 2^67
2016-02-23Mark RoseNF
no factor from 2^61 to 2^63
2015-07-28snme2pm1NF
no factor from 2^65 to 2^66
2014-12-16VictordeHollanderNF
no factor from 2^64 to 2^65
2014-12-16VictordeHollanderNF
no factor from 2^63 to 2^64
2014-11-17JossNF-PM1
B1=67744
2009-07-22USAFSSNF-PM1
B1=55000, B2=907500, E=6