Marin Mersenne 2^P-1
Username
Password
Forgot password?
Black
Great Internet Mersenne Prime Search
GIMPS
Finding World Record Primes Since 1996

PrimeNet Exponent Status

Exponent Range:










MnStatusDetails
5927Composite, with 2 known prime factors. Cofactor is composite.
Factored
FactorDigitsBitsDate
198969391927.6old
520989790281667657405895816141136404251927877921504952171.82020-11-14 05:07:08
ECM
DigitsB1Curves
2550000280 / 280
30250000640 / 640
3510000001566 / 1566
4030000004588 / 4588
45110000009201 / 9201
50440000003609 / 16550
Estimated T-Level: 46.1
TF below 2^148 is very unlikely to find new factors due to ECM effort.
PRP Cofactor
StatusDateUserResidueNumber of
known factors
ShiftTypeBase
Verified (Factored)2017-09-21Oliver Kruse5C2426A943499D161013
Verified (Factored)2017-10-12kkmrkkblmbrbk5C2426A943499D16128513
Verified (Factored)2020-04-17Oliver Kruse421EA5C9DF86A8E91323753
Verified2020-11-14Jinyuan Wang421EA5C9DF86A8E92321953
Verified2020-11-15Joe S.421EA5C9DF86A8E92330053
History
DateUserTypeResult
2023-07-25-Anonymous-NF-PM1
B1=42000000000, B2=171618195782983950
2021-07-06ViliamFNF-PM1
B1=1000000000, B2=201000000000
2020-11-15Joe S.C-PRP
M5927/198969391/5209897902816676574058958161411364042519278779215049 : 421EA5C9DF86A8E9
PRP: Verified
PRP without proof (small exponent)
2020-11-14Jinyuan WangC-PRP
M5927/198969391/5209897902816676574058958161411364042519278779215049 : 421EA5C9DF86A8E9
PRP: Verified
PRP without proof (small exponent)
2020-11-14Ryan PropperF-ECM
Factor: 5209897902816676574058958161411364042519278779215049 / (ECM curve 1, B1=43000000, B2=198654756318, Sigma=1850351528044585490)
2020-04-17Oliver KruseC-PRP
M5927/198969391 : 421EA5C9DF86A8E9
PRP: Verified
PRP without proof (small exponent)
2017-10-12kkmrkkblmbrbkC-PRP
M5927/198969391 : 5C2426A943499D16
PRP: Verified
PRP without proof (not generated)
2017-09-21Oliver KruseC-PRP
M5927/198969391 : 5C2426A943499D16
PRP: Verified
PRP without proof (not generated)
2017-09-21Oliver KruseC-PRP
M5927/198969391 : 5C2426A943499D16
PRP without proof (not generated)