Marin Mersenne 2^P-1
Username
Password
Forgot password?
Blue
Great Internet Mersenne Prime Search
GIMPS
Finding World Record Primes Since 1996

PrimeNet Exponent Status

Exponent Range:










MnStatusDetails
105983981Tested as composite (unverified): unconfirmed Lucas-Lehmer test says not-prime
TF
No factors below 277
TF target 276
P-1
B1 = 492000
B2 = 76936650
LL
StatusDateUserResidueShift
Unverified2020-04-23curtiscFF277BE9C04A0D__10598753
History
DateUserTypeResult
2023-02-27Mark RoseNF-PM1
B1=492000, B2=76936650
2020-04-23curtiscC-LL
FF277BE9C04A0D__
2020-03-02curtiscNF-PM1
B1=965000
2020-02-24ChuckNF
no factor from 2^76 to 2^77
2020-02-23el groccoNF
no factor from 2^75 to 2^76
2020-02-20LaurVNF
no factor from 2^74 to 2^75
2020-02-20LaurVNF
no factor from 2^73 to 2^74
2020-02-16LaurVNF
no factor from 2^72 to 2^73
2015-01-23wombatmanNF
no factor from 2^71 to 2^72
2014-07-07Smok_bmv NF
no factor from 2^70 to 2^71
2014-07-02SMoffatNF
no factor from 2^69 to 2^70
2014-06-26SMoffatNF
no factor from 2^68 to 2^69
2014-06-22SMoffatNF
no factor from 2^67 to 2^68
2013-09-08CSLatDDNF
no factor from 2^66 to 2^67
2012-05-16omiXorpNF
no factor from 2^65 to 2^66
2010-09-02Charles A. MorrisNF
no factor from 2^64 to 2^65
2010-05-07Carsten KossendeyNF
no factor from 2^63 to 2^64