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
45490349Composite: proven not-prime with Lucas-Lehmer test
TF
No factors below 273
TF target 272
P-1
B1 = 540000
B2 = 11745000
LL
StatusDateUserResidueShift
Verified2010-08-31Roberto ArcieriEDE34F9BF361DD8937762325
Verified2017-08-20Dinesh KSEDE34F9BF361DD896155451
History
DateUserTypeResult
2024-05-12James HeinrichNF
no factor from 2^68 to 2^69
2018-07-29-Anonymous-NF
no factor from 2^72 to 2^73
2017-08-20Dinesh KSC-LL
EDE34F9BF361DD89
2015-10-23-Anonymous-NF
no factor from 2^71 to 2^72
2013-01-14David CampeauNF-PM1
B1=540000, B2=11745000, E=6
2012-10-26bcp19NF
no factor from 2^70 to 2^71
2012-07-12Carsten KossendeyNF
no factor from 2^69 to 2^70
2011-09-30Carsten KossendeyNF
no factor from 2^68 to 2^69
2010-08-31Roberto ArcieriC-LL
EDE34F9BF361DD89