Marin Mersenne 2^P-1
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Finding World Record Primes Since 1996

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Exponent Range:










MnStatusDetails
9371Composite, with 3 known prime factors. Cofactor is composite.
Factored
FactorDigitsBitsDate
18743514.2old
72816605831032.8old
12536983541271340.2old
ECM
DigitsB1Curves
2550000280 / 280
30250000640 / 640
3510000001566 / 1566
4030000004588 / 4588
45110000009201 / 9201
50440000006735 / 16550
Estimated T-Level: 47.0
TF below 2^151 is very unlikely to find new factors due to ECM effort.
PRP Cofactor
StatusDateUserResidueNumber of
known factors
ShiftTypeBase
Verified2017-09-21Oliver Kruse9AE432CA72B6BB903013
Verified2017-10-12kkmrkkblmbrbk9AE432CA72B6BB903566313
Verified2020-04-17Oliver KruseF35214CC003FFC7A3746353
Verified (Factored)2022-05-12Jorge CoveiroF35214CC003FFC7A1930853
Verified2024-07-01kkmrkkblmbrbkF35214CC003FFC7A3142453
History
DateUserTypeResult
2024-07-01kkmrkkblmbrbkC-PRP
M9371/1253698354127/18743/7281660583 : F35214CC003FFC7A
PRP: Verified
PRP without proof (small exponent)
2023-07-04JacobZNF-PM1
B1=62000000000, B2=254047854677867250
2022-05-12Jorge CoveiroC-PRP
M9371/18743 : F35214CC003FFC7A
PRP: Verified
PRP without proof (small exponent)
2022-01-03Lisander ViaeneNF-PM1
B1=100000000, B2=5133438650340
2020-04-17Oliver KruseC-PRP
M9371/18743/7281660583/1253698354127 : F35214CC003FFC7A
PRP: Verified
PRP without proof (small exponent)
2017-10-12kkmrkkblmbrbkC-PRP
M9371/18743/7281660583/1253698354127 : 9AE432CA72B6BB90
PRP: Verified
PRP without proof (not generated)
2017-09-21Oliver KruseC-PRP
M9371/18743/7281660583/1253698354127 : 9AE432CA72B6BB90
PRP: Verified
PRP without proof (not generated)
2017-09-21Oliver KruseC-PRP
M9371/18743/7281660583/1253698354127 : 9AE432CA72B6BB90
PRP without proof (not generated)