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
22807Composite, with 2 known prime factors. Cofactor is composite.
Factored
FactorDigitsBitsDate
4059647722.0old
431011493381859602723592375.22008-08-29 02:24:43
ECM
DigitsB1Curves
2550000280 / 280
30250000640 / 640
3510000001566 / 1566
4030000004588 / 4588
45110000001362 / 9201
Estimated T-Level: 40.7
TF below 2^130 is very unlikely to find new factors due to ECM effort.
PRP Cofactor
StatusDateUserResidueNumber of
known factors
ShiftTypeBase
Verified2017-09-21Oliver Kruse25FC16ADAFF9F0AC2013
Verified2017-10-12kkmrkkblmbrbk25FC16ADAFF9F0AC21379113
Verified2020-04-17Oliver Kruse8B6A66ACF645F54321743153
Verified2024-07-01kkmrkkblmbrbk8B6A66ACF645F54322033953
History
DateUserTypeResult
2025-02-03masserNF-PP1
Start=6/5, B1=190000000, B2=189810000000
2025-01-14masserNF-PP1
Start=161/53, B1=190000000, B2=189810000000
2025-01-10masserNF-PP1
Start=2/7, B1=190000000, B2=189810000000
2024-07-01kkmrkkblmbrbkC-PRP
M22807/4059647/43101149338185960272359 : 8B6A66ACF645F543
PRP: Verified
PRP without proof (small exponent)
2023-12-27nordiNF-PM1
B1=8000000000, B2=2408138284051500
2023-04-11nordiNF-PM1
B1=8000000000
2020-04-17Oliver KruseC-PRP
M22807/4059647/43101149338185960272359 : 8B6A66ACF645F543
PRP: Verified
PRP without proof (small exponent)
2017-10-12kkmrkkblmbrbkC-PRP
M22807/4059647/43101149338185960272359 : 25FC16ADAFF9F0AC
PRP: Verified
PRP without proof (not generated)
2017-09-21Oliver KruseC-PRP
M22807/4059647/43101149338185960272359 : 25FC16ADAFF9F0AC
PRP: Verified
PRP without proof (not generated)
2017-09-21Oliver KruseC-PRP
M22807/4059647/43101149338185960272359 : 25FC16ADAFF9F0AC
PRP without proof (not generated)
2016-11-22kkmrkkblmbrbkNF-PM1
B1=500000000, B2=10000000000, E=12
2008-08-29-Anonymous-F-ECM
Factor: 43101149338185960272359