Marin Mersenne 2^P-1
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Great Internet Mersenne Prime Search
GIMPS
Finding World Record Primes Since 1996

PrimeNet Exponent Status

Exponent Range:










MnStatusDetails
61315013TF
No factors below 274
TF target 274
P-1
B1 = 580000
B2 = 11890000
LL
StatusDateUserResidueShift
Verified2014-06-17Amazon EC2C1ED984B107B471014721765
Verified2022-04-11Andrey MitrofanovC1ED984B107B471059024334
History
DateUserTypeResult
2022-04-11Andrey MitrofanovC-LL
C1ED984B107B4710
2016-02-23Mark RoseNF
no factor from 2^62 to 2^63
2014-06-17Amazon EC2C-LL
C1ED984B107B4710
2014-05-18chalsallNF
no factor from 2^73 to 2^74
2013-02-15Just factoring!NF-PM1
B1=580000, B2=11890000, E=6
2013-01-25Jerry HallettNF
no factor from 2^72 to 2^73
2013-01-25Jerry HallettNF
no factor from 2^71 to 2^72
2012-08-28Bold_SeekerNF
no factor from 2^70 to 2^71
2011-11-18rickNF
no factor from 2^69 to 2^70
2009-10-04PiepenNF
no factor from 2^68 to 2^69
2009-10-01PiepenNF
no factor from 2^67 to 2^68
2009-09-27PiepenNF
no factor from 2^66 to 2^67
2009-09-22PiepenNF
no factor from 2^65 to 2^66
2009-04-28-Anonymous-NF
no factor from 2^64 to 2^65
2009-03-15-Anonymous-NF
no factor from 2^63 to 2^64