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
98573491Composite: proven not-prime with PRP test
TF
No factors below 277
TF target 276
P-1
B1 = 970000
B2 = 24250000
PRP
StatusDateUserResidueShiftTypeBase
Verified2020-09-23ky0uraku25E63F9C9DFBD41D9807354913
History
DateUserTypeResult
2020-09-24Ben DeloCERT
PRP Certification
CERT proof power = 9
Proof certified good
2020-09-23ky0urakuC-PRP
25E63F9C9DFBD41D
PRP proof power = 9
PRP: Verified
Proof certified good
2020-09-15Hans LoeblichNF
no factor from 2^76 to 2^77
2020-05-30ktonyNF
no factor from 2^75 to 2^76
2020-04-30Team_InspectorNF
no factor from 2^74 to 2^75
2019-12-02Hans LoeblichNF
no factor from 2^73 to 2^74
2019-10-13Ryan PropperNF-PM1
B1=970000, B2=24250000, E=6
2019-04-08Niels_Mache_NextcloudNF
no factor from 2^72 to 2^73
2018-06-10masserNF
no factor from 2^71 to 2^72
2013-10-10SMoffatNF
no factor from 2^70 to 2^71
2013-10-06SMoffatNF
no factor from 2^69 to 2^70
2013-10-05SMoffatNF
no factor from 2^68 to 2^69
2013-09-30SMoffatNF
no factor from 2^67 to 2^68
2013-09-27SMoffatNF
no factor from 2^66 to 2^67
2013-09-25SMoffatNF
no factor from 2^65 to 2^66
2011-01-21Architects CubedNF
no factor from 2^64 to 2^65