Marin Mersenne 2^P-1
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MnStatusDetails
11378243Composite, with 1 known prime factor. Cofactor is composite.
Factored
FactorDigitsBitsDate
9948736014989399967935032479.72024-06-25 22:43:53
ECM
DigitsB1Curves
25500002 / 280
Estimated T-Level: 20.0 ⓘ
TF below 2^62 is very unlikely to find new factors due to ECM effort.
LL
StatusDateUserResidueShift
Verified (Factored)2000-12-21Joachim HertelC715055C98F636B110154660
Verified (Factored)2004-02-23Ars Technica Team Prime RibC715055C98F636B18032015
PRP Cofactor
StatusDateUserResidueNumber of
known factors		ShiftTypeBase
Verified2024-07-01Oliver KruseE32968D36A72375711134342753
P-1 factors
DateFactorB1B2
2024-06-2599487360149893999679350335000002642635710
History
DateUserTypeResult
2024-07-01ikeCERT
PRP Certification
Proof certified good
2024-07-01Oliver KruseC-PRP
M11378243/994873601498939996793503 : E32968D36A723757
PRP proof power = 8
PRP: Verified
Proof certified good
2024-06-25MooMoo2F-PM1
Factor: 994873601498939996793503 / (P-1, B1=3500000, B2=2642635710)
2021-11-12SRBaseNF
no factor from 2^71 to 2^72
2021-08-14SRBaseNF
no factor from 2^70 to 2^71
2021-08-06SRBaseNF
no factor from 2^69 to 2^70
2017-12-27ramgeisNF
no factor from 2^68 to 2^69
2017-12-27ramgeisNF
no factor from 2^67 to 2^68
2016-01-04VictordeHollanderNF
no factor from 2^66 to 2^67
2015-05-05NesowaNF
no factor from 2^65 to 2^66
2014-06-10HBendtzNF-PM1
B1=600000, B2=12000000, e=12
2013-11-18lycornNF
no factor from 2^64 to 2^65