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

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MnStatusDetails
116539Composite, with 3 known prime factors. Cofactor is composite.
Factored
FactorDigitsBitsDate
54027480411032.3old
254968685771134.62008-07-26 09:17:23
2197607025939075510351292477.52017-06-16 12:31:04
ECM
DigitsB1Curves
2550000280 / 280
30250000640 / 640
351000000378 / 1566
Estimated T-Level: 31.2
TF below 2^99 is very unlikely to find new factors due to ECM effort.
PRP Cofactor
StatusDateUserResidueNumber of
known factors
ShiftTypeBase
Verified2017-09-21Oliver KruseC622A8FD730C9EF53013
Verified2017-10-09Chang Chia-TcheC622A8FD730C9EF53013
Verified2017-10-13Oliver KruseC622A8FD730C9EF53848213
Verified2020-04-17Oliver Kruse05B3E45F3675E32533795653
Verified2024-02-03Wentao Huang05B3E45F3675E32533223553
History
DateUserTypeResult
2024-02-03Naegi MakotoCERT
PRP Certification
Proof certified good
2024-02-03Wentao HuangC-PRP
M116539/5402748041/25496868577/219760702593907551035129 : 05B3E45F3675E325
PRP proof power = 5
PRP: Verified
Proof certified good
2022-09-20LordJuliusNF
no factor from 2^61 to 2^62
2022-09-20LordJuliusNF
no factor from 2^60 to 2^61
2022-09-20LordJuliusNF
no factor from 2^59 to 2^60
2022-09-20LordJuliusNF
no factor from 2^58 to 2^59
2022-09-20LordJuliusNF
no factor from 2^57 to 2^58
2020-04-17Oliver KruseC-PRP
M116539/5402748041/25496868577/219760702593907551035129 : 05B3E45F3675E325
PRP: Verified
PRP without proof (small exponent)
2017-10-13Oliver KruseC-PRP
M116539/5402748041/25496868577/219760702593907551035129 : C622A8FD730C9EF5
PRP: Verified
PRP without proof (small exponent)
2017-10-09Chang Chia-TcheC-PRP
M116539/known_factors : C622A8FD730C9EF5
PRP: Verified
PRP without proof (not generated)
2017-09-21Oliver KruseC-PRP
M116539/5402748041/25496868577/219760702593907551035129 : C622A8FD730C9EF5
PRP without proof (not generated)
2017-06-16TJAOIF-ECM
Factor: 219760702593907551035129 / (ECM curve 22, B1=250000, B2=25000000)
2017-02-17kkmrkkblmbrbkNF-PM1
B1=100000000, B2=2000000000, E=12
2008-07-26J FeitsmaF
Factor: 25496868577