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
6736799Factored
FactorDigitsBitsDate
2735645492070327869346196269194701384138124.42020-10-27 00:04:11
ECM
DigitsB1Curves
25500006 / 280
Estimated T-Level: 20.1 ⓘ
TF below 2^62 is very unlikely to find new factors due to ECM effort.
LL
StatusDateUserResidueShift
Verified (Factored)1999-09-14Xu HeC612EC98D992045A630964
Verified (Factored)2001-11-03Stephen SkoryC612EC98D992045A5513611
PRP Cofactor
StatusDateUserResidueNumber of
known factors		ShiftTypeBase
Verified2020-10-29LordJuliusF14859DD245059211670680453
P-1 factors
DateFactorB1B2
2020-10-2727356454920703278693461962691947013841100000023000000
History
DateUserTypeResult
2020-10-29curtiscCERT
PRP Certification
Proof certified good
2020-10-29LordJuliusC-PRP
M6736799/27356454920703278693461962691947013841 : F14859DD24505921
PRP proof power = 8
PRP: Verified
Proof certified good
2020-10-27takahashiF-PM1
Factor: 27356454920703278693461962691947013841 / (P-1, B1=1000000, B2=23000000, E=12)
2020-05-08TJAOINF
no factor from 2^68 to 2^69
2019-03-25takahashiNF-PM1
B1=250000, B2=4400000, E=6
2018-02-27-Anonymous-NF
no factor from 2^67 to 2^68
2016-05-02Gordon SpenceNF
no factor from 2^66 to 2^67
2015-11-12snme2pm1NF
no factor from 2^65 to 2^66
2014-07-03lycornNF
no factor from 2^64 to 2^65
2014-06-29NesowaNF
no factor from 2^63 to 2^64
2012-07-16NesowaNF-PM1
B1=80000, B2=1440000, E=6
2009-06-23Carsten KossendeyNF-PM1
B1=35000, B2=533750