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
122453Factored
FactorDigitsBitsDate
25215521771031.2old
185119547291134.12008-07-26 12:48:40
4546804792071238.72008-07-26 12:48:40
22635643189829271651.02009-01-25 15:06:27
47138120576536583770312272.02015-02-13 11:23:02
101526091482983991004012373.12014-05-13 11:58:11
104932782888409232342508048732993.12017-06-09 09:17:49
ECM
DigitsB1Curves
2550000280 / 280
30250000640 / 640
351000000579 / 1566
Estimated T-Level: 31.8
TF below 2^101 is very unlikely to find new factors due to ECM effort.
PRP Cofactor
StatusDateUserResidueNumber of
known factors
ShiftTypeBase
Verified2017-09-21Oliver KruseF0D9B1F748BA5EB87013
Verified2017-09-22Oliver KruseF0D9B1F748BA5EB87013
Verified2017-11-06kkmrkkblmbrbkF0D9B1F748BA5EB87411713
Verified2020-04-17Oliver Kruse798BC9931F36CA9478598453
Verified2024-02-03Wentao Huang798BC9931F36CA9475087253
History
DateUserTypeResult
2024-02-03curtiscCERT
PRP Certification
Proof certified good
2024-02-03Wentao HuangC-PRP
M122453/2521552177/18511954729/454680479207/2263564318982927/10152609148298399100401/4713812057653658377031/10493278288840923234250804873 : 798BC9931F36CA94
PRP proof power = 5
PRP: Verified
Proof certified good
2022-12-08LordJuliusNF
no factor from 2^65 to 2^66
2022-12-08LordJuliusNF
no factor from 2^64 to 2^65
2022-12-08LordJuliusNF
no factor from 2^63 to 2^64
2022-12-08LordJuliusNF
no factor from 2^62 to 2^63
2022-12-08LordJuliusNF
no factor from 2^61 to 2^62
2022-12-08LordJuliusNF
no factor from 2^60 to 2^61
2022-12-08LordJuliusNF
no factor from 2^59 to 2^60
2022-12-08LordJuliusNF
no factor from 2^58 to 2^59
2022-12-08LordJuliusNF
no factor from 2^57 to 2^58
2021-04-26Seth_TrNF-PM1
B1=1000000000, B2=231000000000
2021-04-19Seth_TrNF-PM1
B1=400000000, B2=80400000000
2021-03-16Seth_TrNF-PM1
B1=200000000, B2=36200000000
2020-04-17Oliver KruseC-PRP
M122453/2521552177/18511954729/454680479207/2263564318982927/4713812057653658377031/10152609148298399100401/10493278288840923234250804873 : 798BC9931F36CA94
PRP: Verified
PRP without proof (small exponent)
2017-11-06kkmrkkblmbrbkC-PRP
M122453/2521552177/18511954729/454680479207/2263564318982927/4713812057653658377031/10152609148298399100401/10493278288840923234250804873 : F0D9B1F748BA5EB8
PRP: Verified
PRP without proof (small exponent)
2017-09-21Oliver KruseC-PRP
M122453/2521552177/18511954729/454680479207/2263564318982927/10152609148298399100401/4713812057653658377031/10493278288840923234250804873 : F0D9B1F748BA5EB8
PRP: Verified
PRP without proof (not generated)
2017-09-21Oliver KruseC-PRP
M122453/2521552177/18511954729/454680479207/2263564318982927/10152609148298399100401/4713812057653658377031/10493278288840923234250804873 : F0D9B1F748BA5EB8
PRP without proof (not generated)
2017-06-09TJAOIF-ECM
Factor: 10493278288840923234250804873 / (ECM curve 8, B1=250000, B2=25000000)
2017-02-28kkmrkkblmbrbkNF-PM1
B1=100000000, B2=2000000000, E=12
2015-02-13TJAOIF-ECM
Factor: 4713812057653658377031
2014-05-13TJAOIF-ECM
Factor: 10152609148298399100401
2009-01-25George WoltmanF
Factor: 2263564318982927
2008-07-26J FeitsmaF
Factor: 454680479207
2008-07-26J FeitsmaF
Factor: 18511954729