Marin Mersenne 2^P-1
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Great Internet Mersenne Prime Search
GIMPS
Finding World Record Primes Since 1996

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Exponent Range:










MnStatusDetails
92419Factored
FactorDigitsBitsDate
115686242617700376412063.3old
17006346139928340545811994732890.52017-03-29 06:21:51
2656675481255050079215027576618332104.42021-04-29 20:38:32
ECM
DigitsB1Curves
2550000280 / 280
30250000640 / 640
351000000387 / 1566
Estimated T-Level: 31.2
TF below 2^99 is very unlikely to find new factors due to ECM effort.
PRP Cofactor
StatusDateUserResidueNumber of
known factors
ShiftTypeBase
Verified (Factored)2017-09-21Oliver KruseAB3339E23081E5742013
Verified (Factored)2017-10-02kkmrkkblmbrbkAB3339E23081E5742013
Verified (Factored)2017-12-07ATHAB3339E23081E57424379013
Verified (Factored)2020-04-17Oliver KruseE0BBC2E676CC3EFA27634853
Verified2021-04-30LOBESE0BBC2E676CC3EFA3838053
History
DateUserTypeResult
2022-07-20George WoltmanNF-PM1
B1=1000000000, B2=72340556037750
2021-04-30LOBESC-PRP
M92419/11568624261770037641/1700634613992834054581199473/26566754812550500792150275766183 : E0BBC2E676CC3EFA
PRP: Verified
PRP without proof (small exponent)
2021-04-29nordiF-PP1
Start=6/5, B1=40000000, B2=5240000000, Factor: 26566754812550500792150275766183
2021-04-24nordiNF-PP1
Start=2/7, B1=40000000, B2=5240000000
2020-04-17Oliver KruseC-PRP
M92419/11568624261770037641/1700634613992834054581199473 : E0BBC2E676CC3EFA
PRP: Verified
PRP without proof (small exponent)
2017-12-07ATHC-PRP
M92419/11568624261770037641/1700634613992834054581199473 : AB3339E23081E574
PRP: Verified
PRP without proof (small exponent)
2017-10-02kkmrkkblmbrbkC-PRP
M92419/11568624261770037641/1700634613992834054581199473 : AB3339E23081E574
PRP: Verified
PRP without proof (not generated)
2017-09-21Oliver KruseC-PRP
M92419/known_factors : AB3339E23081E574
PRP: Verified
PRP without proof (not generated)
2017-09-21Oliver KruseC-PRP
M92419/known_factors : AB3339E23081E574
PRP without proof (not generated)
2017-03-29kkmrkkblmbrbkF-ECM
Factor: 1700634613992834054581199473 / (ECM curve 73, B1=250000, B2=25000000)
2016-12-17kkmrkkblmbrbkNF-PM1
B1=100000000, B2=2000000000, E=12