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:





MnDetails
109663
Composite, with 3 known prime factors. Cofactor is composite.
Trial Factored to 268
TF target 244
Factored
FactorDigitsBitsDate
13299477716710311650.2old
24815815336013211651.12008-08-26 20:12:04
1091028266722637555933165815516732103.12024-09-16 23:06:53
ECM
DigitsB1Curves
2550000280 / 280
30250000640 / 640
351000000647 / 1566
Estimated T-Level: 32.1
TF below 2^102 is very unlikely to find new factors due to ECM effort.
PRP Cofactor
StatusProofDateUserResidueNumber of
known factors
ShiftTypeBase
Factored
No proof (small exponent)
2017-09-21Oliver Kruse718830F27EAD5EB82013
Factored
No proof (small exponent)
2017-10-13kkmrkkblmbrbk718830F27EAD5EB825997713
Factored
No proof (small exponent)
2020-04-17Oliver Kruse8EE69797F91A85132906553
Factored
Not Uploaded
2022-04-15LordJulius8EE69797F91A851325318853
Factored
Certified Good
2022-11-11LordJulius8EE69797F91A851321257253
Verified
Certified Good
2024-09-16cramsey878EE69797F91A851331774153
History
DateUserTypeResult
2026-02-11Jason LynchNF-PM1B1=417781000, B2=229231382119740
2025-12-17ViliamFNF-PM1B1=100000000, B2=2386922057520
2024-09-17yakmanCERT
Proof certified good
2024-09-16cramsey87C-PRPM109663/1329947771671031/2481581533601321/10910282667226375559331658155167 : 8EE69797F91A8513
Proof Certified Good

Proof Power: 5

2024-09-16cramsey87F-ECMFactor: 10910282667226375559331658155167 / ECM curve 22, B1=1128093, B2=4962112155, Edwards Sigma=5601738461768979
2022-11-11curtiscCERT
Proof certified good
2022-11-11LordJuliusC-PRPM109663/1329947771671031/2481581533601321 : 8EE69797F91A8513
Proof Not Uploaded

Proof Power: 5

2022-05-07LordJuliusNFno factor TF: 61-62
2022-05-07LordJuliusNFno factor TF: 62-63
2022-05-07LordJuliusNFno factor TF: 59-60
2022-05-07LordJuliusNFno factor TF: 60-61
2022-05-07LordJuliusNFno factor TF: 57-58
2022-05-07LordJuliusNFno factor TF: 58-59
2022-04-15LordJuliusC-PRPM109663/1329947771671031/2481581533601321 : 8EE69797F91A8513
Proof Not Uploaded

Proof Power: 5

2020-04-17Oliver KruseC-PRPM109663/1329947771671031/2481581533601321 : 8EE69797F91A8513
2017-10-13kkmrkkblmbrbkC-PRPM109663/1329947771671031/2481581533601321 : 718830F27EAD5EB8
2017-09-21Oliver KruseC-PRPM109663/1329947771671031/2481581533601321 : 718830F27EAD5EB8
2017-09-21Oliver KruseC-PRPM109663/1329947771671031/2481581533601321 : 718830F27EAD5EB8
2016-12-10kkmrkkblmbrbkNF-PM1B1=100000000, B2=2000000000, E=12
2008-08-26-anonymous-FFactor: 2481581533601321