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
108578389Composite: proven not-prime with PRP test
TF
No factors below 277
TF target 276
P-1
B1 = 878000
B2 = 49363000
PRP
StatusDateUserResidueShiftTypeBase
Verified2022-01-27Ben Delo8C014BF3F8430C6E3915095713
History
DateUserTypeResult
2022-01-27AserobertoCERT
PRP Certification
CERT proof power = 8
Proof certified good
2022-01-27Ben DeloC-PRP
8C014BF3F8430C6E
PRP proof power = 8
PRP: Verified
Proof certified good
2022-01-26Ben DeloNF-PM1
B1=878000, B2=49363000
2022-01-25nranksNF
no factor from 2^76 to 2^77
2021-04-26TheJudgerNF
no factor from 2^75 to 2^76
2021-04-26TheJudgerNF
no factor from 2^74 to 2^75
2019-09-18Niels_Mache_NextcloudNF
no factor from 2^73 to 2^74
2019-09-18Niels_Mache_NextcloudNF
no factor from 2^72 to 2^73
2019-01-27Niels_Mache_NextcloudNF
no factor from 2^71 to 2^72
2015-08-03JaroslawDNF
no factor from 2^70 to 2^71
2013-10-17g0bNF
no factor from 2^69 to 2^70
2013-10-09g0bNF
no factor from 2^68 to 2^69
2013-09-27Adam StinchcombeNF
no factor from 2^67 to 2^68
2013-09-25Adam StinchcombeNF
no factor from 2^66 to 2^67
2012-05-29ConadComputerNF
no factor from 2^65 to 2^66
2010-09-11oodairaNF
no factor from 2^64 to 2^65
2010-04-272knarfNF
no factor from 2^63 to 2^64