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
147727Factored
FactorDigitsBitsDate
1765475019427733137222852280392932103.82009-01-06 06:23:54
ECM
DigitsB1Curves
2550000280 / 280
30250000640 / 640
351000000184 / 1566
Estimated T-Level: 30.6
TF below 2^97 is very unlikely to find new factors due to ECM effort.
LL
StatusDateUserResidueShift
Verified (Factored)Gary Gostin72B80
Verified (Factored)Amdahl 6 - 198938B0F2B80
Verified (Factored)Brian J. Beesley3C3CB425B8B0F2B80
Verified (Factored)Eivind Triel3C3CB425B8B0F2B812273
Verified (Factored)2001-02-18Brian J. Beesley3C3CB425B8B0F2B814875
PRP Cofactor
StatusDateUserResidueNumber of
known factors
ShiftTypeBase
Verified2017-09-22Oliver Kruse33A69E3972B1D1F41013
Verified2017-10-11kkmrkkblmbrbk33A69E3972B1D1F4114595313
Verified2020-04-17Oliver Kruse4FD7EA06F21A29F3110409253
Verified2024-02-03Wentao Huang4FD7EA06F21A29F318668653
History
DateUserTypeResult
2024-02-03Naegi MakotoCERT
PRP Certification
Proof certified good
2024-02-03Wentao HuangC-PRP
M147727/17654750194277331372228522803929 : 4FD7EA06F21A29F3
PRP proof power = 5
PRP: Verified
Proof certified good
2022-02-28LordJuliusNF
no factor from 2^57 to 2^58
2022-02-28LordJuliusNF
no factor from 2^54 to 2^55
2020-04-17Oliver KruseC-PRP
M147727/17654750194277331372228522803929 : 4FD7EA06F21A29F3
PRP: Verified
PRP without proof (small exponent)
2017-10-11kkmrkkblmbrbkC-PRP
M147727/17654750194277331372228522803929 : 33A69E3972B1D1F4
PRP: Verified
PRP without proof (small exponent)
2017-09-22Oliver KruseC-PRP
M147727/17654750194277331372228522803929 : 33A69E3972B1D1F4
PRP: Verified
PRP without proof (not generated)
2017-09-21Oliver KruseC-PRP
M147727/17654750194277331372228522803929 : 33A69E3972B1D1F4
PRP without proof (not generated)
2017-04-22kkmrkkblmbrbkNF-PM1
B1=100000000, B2=2000000000, E=12
2009-01-06axnF-ECM
Factor: 17654750194277331372228522803929
2009-01-01Sturle SundeNF
no factor from 2^58 to 2^59