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
7027Composite, with 2 known prime factors. Cofactor is composite.
Factored
FactorDigitsBitsDate
373119647928.5old
18610131726475221771960.7old
ECM
DigitsB1Curves
2550000280 / 280
30250000640 / 640
3510000001566 / 1566
4030000004588 / 4588
45110000009201 / 9201
50440000003053 / 16550
Estimated T-Level: 45.9
TF below 2^148 is very unlikely to find new factors due to ECM effort.
PRP Cofactor
StatusDateUserResidueNumber of
known factors
ShiftTypeBase
Verified2017-09-21Oliver KruseC8A7BD22718CEF3B2013
Verified2017-10-12kkmrkkblmbrbkC8A7BD22718CEF3B2594913
Verified2020-04-17Oliver Kruse0BACDE2D19974FEC2141953
Verified2024-02-03Wentao Huang0BACDE2D19974FEC2104153
History
DateUserTypeResult
2024-02-03Wentao HuangC-PRP
M7027/373119647/1861013172647522177 : 0BACDE2D19974FEC
PRP: Verified
PRP without proof (small exponent)
2023-08-23-Anonymous-NF-PM1
B1=34000000000, B2=142098478841769450
2021-12-16Lisander ViaeneNF-PM1
B1=100000000
2020-04-17Oliver KruseC-PRP
M7027/373119647/1861013172647522177 : 0BACDE2D19974FEC
PRP: Verified
PRP without proof (small exponent)
2017-10-12kkmrkkblmbrbkC-PRP
M7027/373119647/1861013172647522177 : C8A7BD22718CEF3B
PRP: Verified
PRP without proof (not generated)
2017-09-21Oliver KruseC-PRP
M7027/373119647/1861013172647522177 : C8A7BD22718CEF3B
PRP: Verified
PRP without proof (not generated)
2017-09-21Oliver KruseC-PRP
M7027/373119647/1861013172647522177 : C8A7BD22718CEF3B
PRP without proof (not generated)