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

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MnStatusDetails
2952329Composite, with 2 known prime factors. Cofactor is composite.
Factored
FactorDigitsBitsDate
15765436871030.6old
364153675500893171258998141032994.92023-02-11 13:09:01
ECM
DigitsB1Curves
255000058 / 280
Estimated T-Level: 21.0 ⓘ
TF below 2^65 is very unlikely to find new factors due to ECM effort.
PRP Cofactor
StatusDateUserResidueNumber of
known factors		ShiftTypeBase
Verified (Factored)2017-10-25Oliver Kruse25CDDF47C36ACB461228391453
Verified (Factored)2017-12-09kkmrkkblmbrbk25CDDF47C36ACB4613772853
Verified2023-02-13LordJulius25CDDF47C36ACB46223983453
P-1 factors
DateFactorB1B2
2023-02-1136415367550089317125899814103360000360000
History
DateUserTypeResult
2023-02-15USAFSSNF-PM1
B1=440000, B2=353374560
2023-02-13curtiscCERT
PRP Certification
Proof certified good
2023-02-13LordJuliusC-PRP
M2952329/1576543687/36415367550089317125899814103 : 25CDDF47C36ACB46
PRP proof power = 7
PRP: Verified
Proof certified good
2023-02-11USAFSSF-PM1
Factor: 36415367550089317125899814103 / (P-1, B1=360000)
2017-12-09kkmrkkblmbrbkC-PRP
M2952329/1576543687 : 25CDDF47C36ACB46
PRP: Verified (Factored)
PRP without proof (not generated)
2017-10-25Oliver KruseC-PRP
M2952329/1576543687 : 25CDDF47C36ACB46
PRP: Verified (Factored)
PRP without proof (not generated)