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
95723Factored
FactorDigitsBitsDate
191447617.5old
65473804505211342.62008-08-26 20:11:49
569595446083131445.72008-08-26 20:11:50
51356166555160824920199237894103133108.72022-08-16 18:18:25
6230093717830646955488700055152689101891141135.52022-08-16 18:18:25
ECM
DigitsB1Curves
2550000280 / 280
30250000640 / 640
351000000353 / 1566
Estimated T-Level: 31.1 ⓘ
TF below 2^98 is very unlikely to find new factors due to ECM effort.
PRP Cofactor
StatusDateUserResidueNumber of
known factors		ShiftTypeBase
Verified (Factored)2017-09-21Oliver KruseDE8B0F426B04100B3013
Verified (Factored)2017-09-22Oliver KruseDE8B0F426B04100B3013
Verified (Factored)2017-11-06kkmrkkblmbrbkDE8B0F426B04100B35741813
Verified (Factored)2020-04-17Oliver KruseD0EDB78C3323F54331798753
Verified (Factored)2022-05-12Jorge CoveiroD0EDB78C3323F54319261453
Verified2022-08-16George WoltmanD0EDB78C3323F54354527753
Verified2022-08-16LordJuliusD0EDB78C3323F5435644553
P-1 factors
DateFactorB1B2
2022-08-1631995373062717183265448523857542943223050404392565419860699577642774837241100000000070541506035000
History
DateUserTypeResult
2022-08-16LordJuliusC-PRP
M95723/191447/6547380450521/56959544608313/513561665551608249201992378941031/62300937178306469554887000551526891018911 : D0EDB78C3323F543
PRP: Verified
PRP without proof (small exponent)
2022-08-16George WoltmanC-PRP
M95723/191447/6547380450521/56959544608313/513561665551608249201992378941031/62300937178306469554887000551526891018911 : D0EDB78C3323F543
PRP: Verified
PRP without proof (small exponent)
2022-08-16George WoltmanF-PM1
Factor: 31995373062717183265448523857542943223050404392565419860699577642774837241 / (P-1, B1=1000000000, B2=70541506035000)
2022-05-12Jorge CoveiroC-PRP
M95723/191447 : D0EDB78C3323F543
PRP: Verified
PRP without proof (small exponent)
2021-04-28nordiNF-PP1
Start=6/5, B1=40000000, B2=2000000000
2021-04-22nordiNF-PP1
Start=2/7, B1=40000000, B2=2000000000
2020-04-17Oliver KruseC-PRP
M95723/191447/6547380450521/56959544608313 : D0EDB78C3323F543
PRP: Verified
PRP without proof (small exponent)
2017-11-06kkmrkkblmbrbkC-PRP
M95723/191447/6547380450521/56959544608313 : DE8B0F426B04100B
PRP: Verified
PRP without proof (small exponent)
2017-09-22Oliver KruseC-PRP
M95723/191447/6547380450521/56959544608313 : DE8B0F426B04100B
PRP: Verified
PRP without proof (not generated)
2017-09-21Oliver KruseC-PRP
M95723/191447/6547380450521/56959544608313 : DE8B0F426B04100B
PRP: Verified
PRP without proof (not generated)
2017-09-21Oliver KruseC-PRP
M95723/191447/6547380450521/56959544608313 : DE8B0F426B04100B
PRP without proof (not generated)
2017-01-01kkmrkkblmbrbkNF-PM1
B1=100000000, B2=2000000000, E=12
2008-08-26-Anonymous-F
Factor: 56959544608313
2008-08-26-Anonymous-F
Factor: 6547380450521