Marin Mersenne 2^P-1
Username
Password
Forgot password?
White
Great Internet Mersenne Prime Search
GIMPS
Finding World Record Primes Since 1996

PrimeNet Exponent Status

Exponent Range:





MnDetails
109883
Composite, with 4 known prime factors. Cofactor is composite.
Trial Factored to 268
TF target 244
Factored
FactorDigitsBitsDate
219767617.7old
12526663823.62008-07-26 09:17:11
59996119825.82008-07-26 09:17:11
64171673825.92008-07-26 09:17:11
ECM
DigitsB1Curves
2550000280 / 280
30250000640 / 640
351000000734 / 1566
Estimated T-Level: 32.3
TF below 2^102 is very unlikely to find new factors due to ECM effort.
PRP Cofactor
StatusProofDateUserResidueNumber of
known factors
ShiftTypeBase
Verified
No proof (small exponent)
2017-09-21Oliver Kruse429C2A8391EB220E4013
Verified
No proof (small exponent)
2017-10-13kkmrkkblmbrbk429C2A8391EB220E46608213
Verified
No proof (small exponent)
2020-04-17Oliver KruseE5FC08391024CC0948313153
Verified
Not Uploaded
2022-04-15LordJuliusE5FC08391024CC0945360853
Factored
Not Uploaded
2022-05-12Jorge CoveiroE5FC08391024CC0914925453
Verified
Certified Good
2022-11-11LordJuliusE5FC08391024CC0947390853
History
DateUserTypeResult
2026-02-11Jason LynchNF-PM1B1=894224000, B2=137332171046070
2025-12-17ViliamFNF-PM1B1=100000000, B2=2947421827350
2022-11-11JacobZCERT
Proof certified good
2022-11-11LordJuliusC-PRPM109883/219767/12526663/59996119/64171673 : E5FC08391024CC09
Proof Not Uploaded

Proof Power: 5

2022-05-12Jorge CoveiroC-PRPM109883/219767 : E5FC08391024CC09
Proof Not Uploaded

Proof Power: 5

2022-05-08LordJuliusNFno factor TF: 59-60
2022-05-08LordJuliusNFno factor TF: 58-59
2022-05-08LordJuliusNFno factor TF: 57-58
2022-04-15LordJuliusC-PRPM109883/219767/12526663/59996119/64171673 : E5FC08391024CC09
Proof Not Uploaded

Proof Power: 5

2020-04-17Oliver KruseC-PRPM109883/219767/12526663/59996119/64171673 : E5FC08391024CC09
2018-06-01BloodERazorNFno factor TF: 64-65
2018-06-01BloodERazorNFno factor TF: 63-64
2018-06-01BloodERazorNFno factor TF: 62-63
2018-06-01BloodERazorNFno factor TF: 61-62
2018-06-01BloodERazorNFno factor TF: 60-61
2018-06-01BloodERazorNFno factor TF: 59-60
2018-06-01BloodERazorNFno factor TF: 58-59
2018-06-01BloodERazorNFno factor TF: 57-58
2018-06-01BloodERazorNFno factor TF: 56-57
2018-06-01BloodERazorNFno factor TF: 55-56
2018-06-01BloodERazorNFno factor TF: 54-55
2017-10-13kkmrkkblmbrbkC-PRPM109883/219767/12526663/59996119/64171673 : 429C2A8391EB220E
2017-09-21Oliver KruseC-PRPM109883/219767/12526663/59996119/64171673 : 429C2A8391EB220E
2017-09-21Oliver KruseC-PRPM109883/219767/12526663/59996119/64171673 : 429C2A8391EB220E
2016-12-10kkmrkkblmbrbkNF-PM1B1=100000000, B2=2000000000, E=12
2008-07-26J FeitsmaFFactor: 64171673
2008-07-26J FeitsmaFFactor: 59996119
2008-07-26J FeitsmaFFactor: 12526663