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
152953Composite, with 1 known prime factor. Cofactor is composite.
Factored
FactorDigitsBitsDate
3670873721.8old
ECM
DigitsB1Curves
2550000280 / 280
30250000640 / 640
351000000179 / 1566
Estimated T-Level: 30.6
TF below 2^97 is very unlikely to find new factors due to ECM effort.
PRP Cofactor
StatusDateUserResidueNumber of
known factors
ShiftTypeBase
Verified2017-09-22Oliver Kruse3EFAC77F11A66C351013
Verified2017-10-11kkmrkkblmbrbk3EFAC77F11A66C3511748513
Verified2020-04-17Oliver Kruse4FBFA9D24AA8CE8A114255353
Verified2024-02-03Wentao Huang4FBFA9D24AA8CE8A110608653
History
DateUserTypeResult
2024-02-03Naegi MakotoCERT
PRP Certification
Proof certified good
2024-02-03Wentao HuangC-PRP
M152953/3670873 : 4FBFA9D24AA8CE8A
PRP proof power = 5
PRP: Verified
Proof certified good
2020-04-17Oliver KruseC-PRP
M152953/3670873 : 4FBFA9D24AA8CE8A
PRP: Verified
PRP without proof (small exponent)
2017-10-11kkmrkkblmbrbkC-PRP
M152953/3670873 : 3EFAC77F11A66C35
PRP: Verified
PRP without proof (small exponent)
2017-09-22Oliver KruseC-PRP
M152953/3670873 : 3EFAC77F11A66C35
PRP: Verified
PRP without proof (not generated)
2017-09-21Oliver KruseC-PRP
M152953/3670873 : 3EFAC77F11A66C35
PRP without proof (not generated)
2016-11-18kkmrkkblmbrbkNF-PM1
B1=100000000, B2=2000000000, E=12