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
110581Factored
FactorDigitsBitsDate
33272701095583230799272271.52008-01-13 12:44:37
ECM
DigitsB1Curves
2550000280 / 280
30250000640 / 640
351000000246 / 1566
Estimated T-Level: 30.8 ⓘ
TF below 2^97 is very unlikely to find new factors due to ECM effort.
PRP Cofactor
StatusDateUserResidueNumber of
known factors		ShiftTypeBase
Verified2017-09-21Oliver Kruse3DA5FEDFAD795EC11013
Verified2017-10-13kkmrkkblmbrbk3DA5FEDFAD795EC117810013
Verified2020-04-17Oliver Kruse75C9B248C97C102218441853
Verified2022-04-15LordJulius75C9B248C97C102212505253
Verified2022-11-11LordJulius75C9B248C97C102211028153
History
DateUserTypeResult
2022-11-11curtiscCERT
PRP Certification
Proof certified good
2022-11-11LordJuliusC-PRP
M110581/3327270109558323079927 : 75C9B248C97C1022
PRP proof power = 5
PRP: Verified
Proof certified good
2022-05-08LordJuliusNF
no factor from 2^62 to 2^63
2022-05-08LordJuliusNF
no factor from 2^61 to 2^62
2022-05-08LordJuliusNF
no factor from 2^60 to 2^61
2022-05-08LordJuliusNF
no factor from 2^59 to 2^60
2022-05-08LordJuliusNF
no factor from 2^58 to 2^59
2022-05-08LordJuliusNF
no factor from 2^57 to 2^58
2022-05-08LordJuliusNF
no factor from 2^1 to 2^57
2022-04-15LordJuliusC-PRP
M110581/3327270109558323079927 : 75C9B248C97C1022
PRP proof power = 5
PRP: Verified
PRP proof never uploaded
2020-04-17Oliver KruseC-PRP
M110581/3327270109558323079927 : 75C9B248C97C1022
PRP: Verified
PRP without proof (small exponent)
2018-10-27J.R. AllenNF
no factor from 2^1 to 2^57
2017-10-13kkmrkkblmbrbkC-PRP
M110581/3327270109558323079927 : 3DA5FEDFAD795EC1
PRP: Verified
PRP without proof (not generated)
2017-09-21Oliver KruseC-PRP
M110581/3327270109558323079927 : 3DA5FEDFAD795EC1
PRP: Verified
PRP without proof (not generated)
2017-09-21Oliver KruseC-PRP
M110581/3327270109558323079927 : 3DA5FEDFAD795EC1
PRP without proof (not generated)
2016-12-16kkmrkkblmbrbkNF-PM1
B1=100000000, B2=2000000000, E=12
2008-01-13Team_BunduF-ECM
Factor: 3327270109558323079927