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
15097987Factored
FactorDigitsBitsDate
102182423195359415522914123932993.02022-08-24 17:47:21
ECM
DigitsB1Curves
255000014 / 280
Estimated T-Level: 20.3 ⓘ
TF below 2^62 is very unlikely to find new factors due to ECM effort.
LL
StatusDateUserResidueShift
Verified (Factored)2002-03-31Artur Mazur7B0C85DA0F6F93457595792
Verified (Factored)2005-12-12Eric Bravick7B0C85DA0F6F93457971304
PRP Cofactor
StatusDateUserResidueNumber of
known factors		ShiftTypeBase
Verified2023-05-27DobriD3E02E0AA55B1CE311458146853
History
DateUserTypeResult
2023-11-04nordiNF-PM1
B1=569000, B2=561249150
2023-10-21nordiNF-PM1
B1=569000
2023-05-27curtiscCERT
PRP Certification
Proof certified good
2023-05-27DobriC-PRP
M15097987/10218242319535941552291412393 : D3E02E0AA55B1CE3
PRP proof power = 8
PRP: Verified
Proof certified good
2022-08-24ATHF-PP1
Start=2/7, B1=1000000, B2=28000000, Factor: 10218242319535941552291412393
2022-03-03Yves de WandelaarNF
no factor from 2^73 to 2^74
2022-01-15Francesco UrbanoNF
no factor from 2^72 to 2^73
2021-10-15-Anonymous-NF
no factor from 2^71 to 2^72
2021-09-02SRBaseNF
no factor from 2^70 to 2^71
2021-07-07lycornNF
no factor from 2^69 to 2^70
2017-10-08ramgeisNF
no factor from 2^68 to 2^69
2016-09-30mikrNF
no factor from 2^67 to 2^68
2014-06-11NesowaNF
no factor from 2^66 to 2^67
2014-06-11NesowaNF
no factor from 2^65 to 2^66