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
259271Factored
FactorDigitsBitsDate
518543619.0old
2074169721.02008-07-21 09:15:11
74362343289393616911579772582.62017-07-14 09:29:14
1627040053164733659830025592787.12020-05-04 23:07:14
552592562615054216290755830092995.52021-04-26 12:39:52
ECM
DigitsB1Curves
2550000280 / 280
30250000426 / 640
Estimated T-Level: 28.3 ⓘ
TF below 2^89 is very unlikely to find new factors due to ECM effort.
PRP Cofactor
StatusDateUserResidueNumber of
known factors		ShiftTypeBase
Verified (Factored)2017-09-22Oliver KruseD5088EDEAD8D8DD33013
Verified (Factored)2017-09-28alpertronD5088EDEAD8D8DD33013
Verified (Factored)2017-12-07ATHD5088EDEAD8D8DD331518613
Verified (Factored)2020-04-17Oliver KruseE4ED5E8111F68C68320658153
Verified (Factored)2020-05-05Oliver KruseE4ED5E8111F68C6841953853
Verified2021-04-26mikrE4ED5E8111F68C68515711953
Verified2021-04-27Chad Steenerson E4ED5E8111F68C6857572153
Verified (Factored)2022-05-12Jorge CoveiroE4ED5E8111F68C6811714653
History
DateUserTypeResult
2022-05-12Jorge CoveiroC-PRP
M259271/518543 : E4ED5E8111F68C68
PRP proof power = 5
PRP: Verified (Factored)
PRP proof never uploaded
2022-05-01Oliver KruseNF-PM1
B1=30000000, B2=10035812696910
2021-09-04Oliver KruseNF-PM1
B1=30000000, B2=3000000000, E=24
2021-04-27BlueBoxCERT
PRP Certification
Proof certified good
2021-04-27Chad Steenerson C-PRP
M259271/518543/2074169/7436234328939361691157977/162704005316473365983002559/55259256261505421629075583009 : E4ED5E8111F68C68
PRP proof power = 5
PRP: Verified
Proof certified good
2021-04-26garoCERT
PRP Certification
Proof certified good
2021-04-26mikrC-PRP
M259271/518543/2074169/7436234328939361691157977/162704005316473365983002559/55259256261505421629075583009 : E4ED5E8111F68C68
PRP proof power = 5
PRP: Verified
Proof certified good
2021-04-26nordiF-ECM
Factor: 55259256261505421629075583009 / (ECM curve 5, B1=250000, B2=38500000, Sigma=4626521477126992)
2020-05-05Oliver KruseC-PRP
M259271/518543/2074169/7436234328939361691157977/162704005316473365983002559 : E4ED5E8111F68C68
PRP: Verified (Factored)
PRP without proof (small exponent)
2020-05-04Greg HoganF-ECM
Factor: 162704005316473365983002559 / (ECM curve 3, B1=250000, B2=25000000, Sigma=5403225308596937)
2020-04-17Oliver KruseC-PRP
M259271/518543/2074169/7436234328939361691157977 : E4ED5E8111F68C68
PRP: Verified (Factored)
PRP without proof (small exponent)
2017-12-07ATHC-PRP
M259271/518543/2074169/7436234328939361691157977 : D5088EDEAD8D8DD3
PRP: Verified (Factored)
PRP without proof (small exponent)
2017-09-28alpertronC-PRP
M259271/2074169/518543/7436234328939361691157977 : D5088EDEAD8D8DD3
PRP: Verified (Factored)
PRP without proof (not generated)
2017-09-22Oliver KruseC-PRP
M259271/518543/2074169/7436234328939361691157977 : D5088EDEAD8D8DD3
PRP without proof (not generated)
2017-07-14TJAOIF-ECM
Factor: 7436234328939361691157977 / (ECM curve 38, B1=250000, B2=25000000)
2008-07-21J FeitsmaF
Factor: 2074169