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
201812687Composite: proven not-prime with PRP test
TF
No factors below 279
TF target 279
P-1
B1 = 1800000
B2 = 480007206
PRP
StatusDateUserResidueShiftTypeBase
Verified2025-09-16zr_zircon46588980AD532F0F013
History
DateUserTypeResult
2025-09-16billymac00CERT
PRP Certification
CERT proof power = 9
Proof certified good
2025-09-16zr_zirconC-PRP
46588980AD532F0F
PRP proof power = 9
PRP: Verified
Proof certified good
2025-05-23zr_zirconNF-PM1
B1=1800000, B2=480007206
2024-11-27zr_zirconNF
no factor from 2^78 to 2^79
2024-11-09zr_zirconNF
no factor from 2^77 to 2^78
2024-10-31zr_zirconNF
no factor from 2^76 to 2^77
2024-10-22zr_zirconNF
no factor from 2^75 to 2^76
2023-04-30SRBaseNF
no factor from 2^74 to 2^75
2020-03-16hktNF
no factor from 2^73 to 2^74
2020-03-16hktNF
no factor from 2^72 to 2^73
2020-03-16hktNF
no factor from 2^71 to 2^72
2019-09-23Chabot PrimeNF
no factor from 2^70 to 2^71
2016-06-09La GüiraNF
no factor from 2^69 to 2^70
2016-06-09La GüiraNF
no factor from 2^67 to 2^69
2015-09-25vwflat4NF
no factor from 2^66 to 2^67
2013-07-17subgeniusNF
no factor from 2^65 to 2^66
2011-05-02Damian SilvestreNF
no factor from 2^64 to 2^65