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
86000339Composite: proven not-prime with PRP test
TF
No factors below 277
TF target 275
P-1
B1 = 985000
B2 = 27580000
PRP
StatusDateUserResidueShiftTypeBase
Verified2018-07-15Chun sung soo44C6E6027E06F8BB4080618213
Verified2025-04-24garo44C6E6027E06F8BB013
History
DateUserTypeResult
2025-04-24ShafferCERT
PRP Certification
CERT proof power = 10
Proof certified good
2025-04-24garoC-PRP
44C6E6027E06F8BB
PRP proof power = 10
PRP: Verified
Proof certified good
2020-08-14mikrNF
no factor from 2^76 to 2^77
2018-07-15Chun sung sooC-PRP
44C6E6027E06F8BB
PRP: Verified
PRP without proof (not generated)
2017-03-15Sid & AndyNF
no factor from 2^75 to 2^76
2017-03-08vats09NF
no factor from 2^74 to 2^75
2017-03-08vats09NF
no factor from 2^73 to 2^74
2017-03-08vats09NF
no factor from 2^72 to 2^73
2014-07-03timbitNF-PM1
B1=985000, B2=27580000
2013-12-04SWL551NF
no factor from 2^71 to 2^72
2013-12-04SWL551NF
no factor from 2^70 to 2^71
2013-11-12RobishNF
no factor from 2^69 to 2^70
2013-10-28SMoffatNF
no factor from 2^68 to 2^69
2013-10-25SMoffatNF
no factor from 2^67 to 2^68
2011-02-07Michael CNF
no factor from 2^66 to 2^67
2010-11-21Michael CNF
no factor from 2^65 to 2^66
2010-10-24Michael CNF
no factor from 2^64 to 2^65
2010-10-24-Anonymous-NF
no factor from 2^64 to 2^65