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
107205221Composite: proven not-prime with PRP test
TF
No factors below 276
TF target 276
P-1
B1 = 914000
B2 = 52822000
PRP
StatusDateUserResidueShiftTypeBase
Verified2021-11-04Ben Delo4205370B39BA220A8794500313
History
DateUserTypeResult
2022-03-19LordJuliusNF
no factor from 2^62 to 2^63
2021-11-04rduerrCERT
PRP Certification
CERT proof power = 8
Proof certified good
2021-11-04Ben DeloC-PRP
4205370B39BA220A
PRP proof power = 8
PRP: Verified
Proof certified good
2021-11-03Ben DeloNF-PM1
B1=914000, B2=52822000
2021-04-10TheJudgerNF
no factor from 2^75 to 2^76
2021-04-10TheJudgerNF
no factor from 2^74 to 2^75
2020-04-02Hans LoeblichNF
no factor from 2^73 to 2^74
2020-03-05el groccoNF
no factor from 2^72 to 2^73
2015-01-23planetclownNF
no factor from 2^71 to 2^72
2015-01-23planetclownNF
no factor from 2^70 to 2^71
2015-01-23planetclownNF
no factor from 2^69 to 2^70
2015-01-23planetclownNF
no factor from 2^68 to 2^69
2015-01-22el groccoNF
no factor from 2^67 to 2^68
2013-09-17Adam StinchcombeNF
no factor from 2^66 to 2^67
2013-09-17-Anonymous-NF
no factor from 2^66 to 2^67
2012-05-19omiXorpNF
no factor from 2^65 to 2^66
2010-09-07Charles A. MorrisNF
no factor from 2^64 to 2^65
2010-04-24Cedric VonckNF
no factor from 2^63 to 2^64