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
44949103Composite: proven not-prime with Lucas-Lehmer test
TF
No factors below 273
TF target 272
P-1
B1 = 520000
B2 = 9880000
LL
StatusDateUserResidueShift
Verified2009-03-06lindedDE883A20E443F66F9309265
Verified2018-05-06gbvalorDE883A20E443F66F38132238
History
DateUserTypeResult
2024-08-15tbusbyNF
no factor from 2^69 to 2^70
2024-06-25GregNF
no factor from 2^71 to 2^72
2024-06-25GregNF
no factor from 2^70 to 2^71
2018-05-06gbvalorC-LL
DE883A20E443F66F
2018-02-22Architects CubedNF
no factor from 2^72 to 2^73
2015-10-25-Anonymous-NF
no factor from 2^71 to 2^72
2015-10-25-Anonymous-NF
no factor from 2^70 to 2^71
2015-07-16Architects CubedNF
no factor from 2^69 to 2^70
2014-07-11chalsallNF
no factor from 2^68 to 2^69
2009-03-06lindedC-LL
DE883A20E443F66F
2009-01-07lindedNF-PM1
B1=520000, B2=9880000