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
77053771Composite: proven not-prime with PRP test
TF
No factors below 275
TF target 274
P-1
B1 = 665000
B2 = 12468750
LL
StatusDateUserResidueShift
Unverified2016-09-15Mikhail E. Golosov0388E090E1852F__11708451
PRP
StatusDateUserResidueShiftTypeBase
Verified2024-10-23Luke DurantD2040FECD77637B0013
History
DateUserTypeResult
2024-10-23Cong ShengzhuoCERT
PRP Certification
CERT proof power = 9
Proof certified good
2024-10-23Luke DurantC-PRP
D2040FECD77637B0
PRP proof power = 9
PRP: Verified
Proof certified good
2016-09-15Mikhail E. GolosovC-LL
0388E090E1852F__
2016-04-04Mark RoseNF
no factor from 2^64 to 2^65
2016-04-02Mark RoseNF
no factor from 2^61 to 2^64
2015-05-15ixfd64NF-PM1
B1=665000, B2=12468750
2015-05-08ChuckNF
no factor from 2^74 to 2^75
2015-05-08ChuckNF
no factor from 2^73 to 2^74
2015-05-08ChuckNF
no factor from 2^72 to 2^73
2015-05-08ChuckNF
no factor from 2^71 to 2^72
2013-05-25symalladNF
no factor from 2^70 to 2^71
2010-10-07VictorNF
no factor from 2^69 to 2^70
2010-10-06Charles SpaltonNF
no factor from 2^68 to 2^69
2010-09-28ITSNF
no factor from 2^67 to 2^68
2010-09-23Justin P. RohrerNF
no factor from 2^66 to 2^67
2010-09-22Justin P. RohrerNF
no factor from 2^65 to 2^66