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
5026093Factored
FactorDigitsBitsDate
2054964783731833386733272477.42021-10-20 13:18:49
ECM
DigitsB1Curves
255000045 / 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)1998-12-13Nayan Hajratwala489D0C7648F10E710
Verified (Factored)2000-08-31Ron Tacchi489D0C7648F10E712780469
PRP Cofactor
StatusDateUserResidueNumber of
known factors		ShiftTypeBase
Verified2021-10-20ATH1DC187C4C0B4001B1130032353
History
DateUserTypeResult
2021-10-20Ben DeloCERT
PRP Certification
Proof certified good
2021-10-20ATHC-PRP
M5026093/205496478373183338673327 : 1DC187C4C0B4001B
PRP proof power = 7
PRP: Verified
Proof certified good
2021-10-20ATHF-PP1
Start=2/7, B1=2500000, B2=90000000, Factor: 205496478373183338673327
2021-04-04-Anonymous-NF
no factor from 2^72 to 2^73
2021-04-04Dylan DelgadoNF-PM1
B1=560000, B2=31360000
2021-04-04-Anonymous-NF
no factor from 2^71 to 2^72
2021-04-01-Anonymous-NF
no factor from 2^70 to 2^71
2021-04-01-Anonymous-NF
no factor from 2^69 to 2^70
2021-02-01TJAOINF
no factor from 2^68 to 2^69
2018-06-07ramgeisNF
no factor from 2^67 to 2^68
2017-02-15Squeeky_SquirrelNF-PM1
B1=300000, B2=9375000, E=12
2016-05-15Gordon SpenceNF
no factor from 2^66 to 2^67
2016-02-23Mark RoseNF
no factor from 2^1 to 2^63
2015-07-27snme2pm1NF
no factor from 2^65 to 2^66
2014-12-15VictordeHollanderNF
no factor from 2^64 to 2^65
2014-12-15VictordeHollanderNF
no factor from 2^63 to 2^64
2014-11-14JossNF-PM1
B1=67770
2009-08-07USAFSSNF-PM1
B1=55000, B2=907500, E=6