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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MnStatusDetails
2480069Factored
FactorDigitsBitsDate
3055614107665274946450412478.02021-04-14 11:57:17
ECM
DigitsB1Curves
2550000116 / 280
Estimated T-Level: 22.1 ⓘ
TF below 2^68 is very unlikely to find new factors due to ECM effort.
LL
StatusDateUserResidueShift
Verified (Factored)Simon Rubinstein-Salzedo0C924097B42B89750
Verified (Factored)Russell Sawatzky0C924097B42B89750
Verified (Factored)Stephen Wood0C924097B42B89750
Verified (Factored)2000-10-15Tim Hinton0C924097B42B8975477691
PRP Cofactor
StatusDateUserResidueNumber of
known factors		ShiftTypeBase
Verified2021-04-15xyuzyz321DF82B5E0673E31197074153
Verified2021-04-15oodaira321DF82B5E0673E31198451053
History
DateUserTypeResult
2021-04-15Ben DeloCERT
PRP Certification
Proof certified good
2021-04-15oodairaC-PRP
M2480069/305561410766527494645041 : 321DF82B5E0673E3
PRP proof power = 7
PRP: Verified
Proof certified good
2021-04-15xyuzyzC-PRP
M2480069/305561410766527494645041 : 321DF82B5E0673E3
PRP: Verified
PRP without proof (not generated)
2021-04-14ZenzomaF-ECM
Factor: 305561410766527494645041 / (ECM curve 5, B1=50000, B2=5000000, Sigma=1431922940836282)
2019-07-24TJAOINF
no factor from 2^67 to 2^68
2017-07-22Gordon SpenceNF
no factor from 2^66 to 2^67
2016-02-23Mark RoseNF
no factor from 2^59 to 2^60
2015-10-29ramgeisNF
no factor from 2^65 to 2^66
2015-03-03VictordeHollanderNF
no factor from 2^64 to 2^65
2015-03-03VictordeHollanderNF
no factor from 2^63 to 2^64
2014-10-30mikrNF-PM1
B1=2382500, B2=85770100, E=12
2014-09-23JossNF-PM1
B1=125880
2013-01-23dbaughNF
no factor from 2^62 to 2^63
2012-06-24Sebastian HornbostelNF
no factor from 2^61 to 2^62
2009-01-14Sturle SundeNF
no factor from 2^60 to 2^61