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
2089Factored
FactorDigitsBitsDate
166730276171134.0old
ECM
DigitsB1Curves
2550000280 / 280
30250000640 / 640
3510000001566 / 1566
4030000004588 / 4588
45110000009201 / 9201
504400000016550 / 16550
5511000000040830 / 40830
6026000000064548 / 105362
Estimated T-Level: 58.1
TF below 2^188 is very unlikely to find new factors due to ECM effort.
PRP Cofactor
StatusDateUserResidueNumber of
known factors
ShiftTypeBase
Verified2017-09-21Oliver KruseBBA6886CDF27A1C81013
Verified2017-10-12kkmrkkblmbrbkBBA6886CDF27A1C81166813
Verified2020-04-17Oliver Kruse91239E8ECB28A857124553
Verified2024-01-27Wentao Huang91239E8ECB28A8571187553
History
DateUserTypeResult
2024-04-20masserNF-PM1
B1=100000000000, B2=153753062580387270
2024-01-27Wentao HuangC-PRP
M2089/16673027617 : 91239E8ECB28A857
PRP: Verified
PRP without proof (small exponent)
2020-04-17Oliver KruseC-PRP
M2089/16673027617 : 91239E8ECB28A857
PRP: Verified
PRP without proof (small exponent)
2017-10-12kkmrkkblmbrbkC-PRP
M2089/16673027617 : BBA6886CDF27A1C8
PRP: Verified
PRP without proof (not generated)
2017-09-21Oliver KruseC-PRP
M2089/16673027617 : BBA6886CDF27A1C8
PRP: Verified
PRP without proof (not generated)
2017-09-21Oliver KruseC-PRP
M2089/16673027617 : BBA6886CDF27A1C8
PRP without proof (not generated)
2016-09-08kkmrkkblmbrbkNF-PM1
B1=500000000, B2=50000000000, E=12