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
44583829Composite: proven not-prime with Lucas-Lehmer test
TF
No factors below 273
TF target 272
P-1
B1 = 455000
B2 = 7393750
LL
StatusDateUserResidueShift
Verified2009-10-30ferdy4AFC6DFADAC69A3D29768996
Verified2018-05-09ChavdarLalov4AFC6DFADAC69A3D11409434
History
DateUserTypeResult
2018-05-09ChavdarLalovC-LL
4AFC6DFADAC69A3D
2018-04-08Architects CubedNF
no factor from 2^72 to 2^73
2015-10-02-Anonymous-NF
no factor from 2^71 to 2^72
2015-10-02-Anonymous-NF
no factor from 2^70 to 2^71
2009-10-30ferdyC-LL
4AFC6DFADAC69A3D
2009-09-14ferdyNF-PM1
B1=455000, B2=7393750