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
51267043Composite: proven not-prime with Lucas-Lehmer test
TF
No factors below 273
TF target 273
P-1
B1 = 605000
B2 = 16788750
LL
StatusDateUserResidueShift
Verified2012-04-19ANONYMOUS5EA16A9AA97BDAF032173984
Verified2019-02-12_p95holder_5EA16A9AA97BDAF041441887
History
DateUserTypeResult
2019-02-12_p95holder_C-LL
5EA16A9AA97BDAF0
2016-02-23Mark RoseNF
no factor from 2^60 to 2^63
2016-01-09AirSquirrelsNF
no factor from 2^72 to 2^73
2012-04-19ANONYMOUSC-LL
5EA16A9AA97BDAF0
2012-02-03Craig MeyersNF
no factor from 2^70 to 2^72
2011-12-16Kyle AskineNF
no factor from 2^69 to 2^70
2009-10-29Graeme GlassNF
no factor from 2^68 to 2^69
2009-10-271997rj7NF-PM1
B1=605000, B2=16788750
2009-06-15symalladNF
no factor from 2^67 to 2^68
2008-11-30S530729NF
no factor from 2^66 to 2^67
2008-11-29S530729NF
no factor from 2^65 to 2^66
2008-11-29Frank RoeselNF
no factor from 2^64 to 2^65
2008-11-28Frank RoeselNF
no factor from 2^63 to 2^64