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
10099Factored
FactorDigitsBitsDate
15414040897521453957040202315800133106.9old
ECM
DigitsB1Curves
2550000280 / 280
30250000640 / 640
3510000001566 / 1566
4030000004588 / 4588
45110000001282 / 9201
Estimated T-Level: 40.7
TF below 2^130 is very unlikely to find new factors due to ECM effort.
PRP Cofactor
StatusDateUserResidueNumber of
known factors
ShiftTypeBase
Verified2017-09-21Oliver Kruse263E8F6D2628F63A1013
Verified2017-10-12kkmrkkblmbrbk263E8F6D2628F63A1410613
Unverified2020-04-17Oliver KruseCE1664766DC485__178553
History
DateUserTypeResult
2022-04-23-Anonymous-NF-PM1
B1=1000000000000, B2=1401193798255070820
2022-02-05-Anonymous-NF-PM1
B1=100000000000, B2=120982656093709410
2021-08-01ViliamFNF-PM1
B1=250000000, B2=40250000000
2021-04-22gLaussNF-PP1
Start=2/7, B1=10000000, B2=1000000000
2020-04-17Oliver KruseC-PRP
M10099/154140408975214539570402023158001 : CE1664766DC485__
PRP without proof (small exponent)
2017-10-12kkmrkkblmbrbkC-PRP
M10099/154140408975214539570402023158001 : 263E8F6D2628F63A
PRP without proof (not generated)
2017-09-21Oliver KruseC-PRP
M10099/154140408975214539570402023158001 : 263E8F6D2628F63A
PRP without proof (not generated)
2017-09-21Oliver KruseC-PRP
M10099/154140408975214539570402023158001 : 263E8F6D2628F63A
PRP without proof (not generated)
2016-09-07kkmrkkblmbrbkNF-PM1
B1=100000000, B2=10000000000, E=12