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
340037Composite, with 1 known prime factor. Cofactor is composite.
Factored
FactorDigitsBitsDate
2720297721.4old
ECM
DigitsB1Curves
2550000280 / 280
30250000525 / 640
Estimated T-Level: 29.1
TF below 2^92 is very unlikely to find new factors due to ECM effort.
PRP Cofactor
StatusDateUserResidueNumber of
known factors
ShiftTypeBase
Verified2017-09-24Oliver Kruse231B83EF0FEC8BF61013
Verified2017-10-13Oliver Kruse231B83EF0FEC8BF6118903313
Verified2017-12-12ATH231B83EF0FEC8BF6122898213
Verified2020-04-18Oliver Kruse791A94A59DAF7E41131869453
Verified2024-09-11kkmrkkblmbrbk791A94A59DAF7E41130295953
History
DateUserTypeResult
2024-09-18yuriy_5-1NF-PM1
B1=12000002, B2=1704299857260
2024-09-11Luke DurantCERT
PRP Certification
Proof certified good
2024-09-11kkmrkkblmbrbkC-PRP
M340037/2720297 : 791A94A59DAF7E41
PRP proof power = 5
PRP: Verified
Proof certified good
2023-11-14USAFSSNF-PM1
B1=1600000, B2=5367308100
2022-02-06Lisander ViaeneNF-PM1
B1=50000
2020-04-18Oliver KruseC-PRP
M340037/2720297 : 791A94A59DAF7E41
PRP: Verified
PRP without proof (small exponent)
2017-12-12ATHC-PRP
M340037/2720297 : 231B83EF0FEC8BF6
PRP: Verified
PRP without proof (small exponent)
2017-10-13Oliver KruseC-PRP
M340037/2720297 : 231B83EF0FEC8BF6
PRP: Verified
PRP without proof (small exponent)
2017-09-24Oliver KruseC-PRP
M340037/2720297 : 231B83EF0FEC8BF6
PRP: Verified
PRP without proof (not generated)
2017-09-22Oliver KruseC-PRP
M340037/2720297 : 231B83EF0FEC8BF6
PRP without proof (not generated)