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
78782087Composite: proven not-prime with PRP test
TF
No factors below 275
TF target 275
P-1
B1 = 690000
B2 = 13800000
PRP
StatusDateUserResidueShiftTypeBase
Verified2018-03-31ky0uraku85E697892B54D7DF1445582513
Verified2019-06-22Dirk85E697892B54D7DF7590789813
History
DateUserTypeResult
2019-06-22DirkC-PRP
85E697892B54D7DF
PRP: Verified
PRP without proof (not generated)
2018-03-31ky0urakuC-PRP
85E697892B54D7DF
PRP: Verified
PRP without proof (not generated)
2016-06-26TheJudgerNF-PM1
B1=690000, B2=13800000, E=6
2016-06-20TheJudgerNF
no factor from 2^74 to 2^75
2016-06-20TheJudgerNF
no factor from 2^73 to 2^74
2016-06-14RichD0NF
no factor from 2^72 to 2^73
2016-02-16GregNF
no factor from 2^71 to 2^72
2013-05-28Fox_McCloud_123NF
no factor from 2^70 to 2^71
2013-01-20TDH-DXLNF
no factor from 2^69 to 2^70
2013-01-17TDH-DXLNF
no factor from 2^68 to 2^69
2012-04-09-Anonymous-NF
no factor from 2^67 to 2^68
2011-08-18Carsten KossendeyNF
no factor from 2^65 to 2^67
2011-01-08bigbear3001NF
no factor from 2^64 to 2^65