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

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MnStatusDetails
10378391Composite, with 1 known prime factor. Cofactor is composite.
Factored
FactorDigitsBitsDate
192067426365710976423662892684.02024-03-26 00:11:22
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)2000-10-15Alan Vidmar4AD7B2C926FEB5594871300
Verified (Factored)2003-11-28Ben Ford4AD7B2C926FEB5597721832
PRP Cofactor
StatusDateUserResidueNumber of
known factors		ShiftTypeBase
Verified2024-03-31cramsey87044D8DAF15D3A2F71414666453
P-1 factors
DateFactorB1B2
2024-03-261920674263657109764236628920000002585571450
History
DateUserTypeResult
2024-04-01Jeff SponaugleCERT
PRP Certification
Proof certified good
2024-03-31cramsey87C-PRP
M10378391/19206742636571097642366289 : 044D8DAF15D3A2F7
PRP proof power = 8
PRP: Verified
Proof certified good
2024-03-26Sid & AndyF-PM1
Factor: 19206742636571097642366289 / (P-1, B1=2000000, B2=2585571450)
2021-04-15-Anonymous-NF
no factor from 2^71 to 2^72
2021-04-15-Anonymous-NF
no factor from 2^70 to 2^71
2020-12-01ViliamFNF-PM1
B1=1000000, B2=30000000
2020-08-05ViliamFNF
no factor from 2^69 to 2^70
2017-11-15ramgeisNF
no factor from 2^68 to 2^69
2017-09-25-Anonymous-NF
no factor from 2^67 to 2^68
2015-12-11VictordeHollanderNF
no factor from 2^66 to 2^67
2015-09-02NumberwangNF-PM1
B1=110000, B2=1870000, E=6
2015-05-01ThaNF
no factor from 2^65 to 2^66
2013-09-26NesowaNF
no factor from 2^64 to 2^65