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
23371Composite, with 3 known prime factors. Cofactor is composite.
Factored
FactorDigitsBitsDate
5422073722.4old
42926225699761931651.92008-08-29 02:24:44
109335432230667925401039959772993.12017-11-21 02:59:58
ECM
DigitsB1Curves
2550000280 / 280
30250000640 / 640
3510000001566 / 1566
4030000004588 / 4588
45110000004872 / 9201
Estimated T-Level: 42.6
TF below 2^137 is very unlikely to find new factors due to ECM effort.
PRP Cofactor
StatusDateUserResidueNumber of
known factors
ShiftTypeBase
Verified (Factored)2017-09-21Oliver Kruse2479A942641F16932013
Verified (Factored)2017-10-12kkmrkkblmbrbk2479A942641F16932283413
Verified2017-11-21Oliver Kruse004BD547B4B1CB6532280653
Verified2017-11-21ATH004BD547B4B1CB6531849753
History
DateUserTypeResult
2024-12-29masserNF-PP1
Start=6/5, B1=100000000, B2=99900000000
2024-12-18masserNF-PP1
Start=98/59, B1=100000000, B2=99900000000
2024-11-30masserNF-PP1
Start=2/7, B1=132000000, B2=131868000000
2024-02-19nordiNF-PM1
B1=8000000000, B2=2427250412837250
2023-04-17nordiNF-PM1
B1=8000000000
2017-11-21ATHC-PRP
M23371/5422073/4292622569976193/10933543223066792540103995977 : 004BD547B4B1CB65
PRP: Verified
PRP without proof (small exponent)
2017-11-21Oliver KruseC-PRP
M23371/5422073/4292622569976193/10933543223066792540103995977 : 004BD547B4B1CB65
PRP: Verified
PRP without proof (small exponent)
2017-11-21kkmrkkblmbrbkF-ECM
Factor: 10933543223066792540103995977 / (ECM curve 15, B1=1000000, B2=100000000)
2017-10-12kkmrkkblmbrbkC-PRP
M23371/5422073/4292622569976193 : 2479A942641F1693
PRP: Verified
PRP without proof (not generated)
2017-09-21Oliver KruseC-PRP
M23371/5422073/4292622569976193 : 2479A942641F1693
PRP: Verified
PRP without proof (not generated)
2017-09-21Oliver KruseC-PRP
M23371/5422073/4292622569976193 : 2479A942641F1693
PRP without proof (not generated)
2016-11-28kkmrkkblmbrbkNF-PM1
B1=500000000, B2=10000000000, E=12
2008-08-29-Anonymous-F
Factor: 4292622569976193