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
104520943Composite: proven not-prime with PRP test
TF
No factors below 276
TF target 276
P-1
B1 = 753000
B2 = 21788000
PRP
StatusDateUserResidueShiftTypeBase
Verified2021-06-25Ben Delo439F2640087CFC589167545813
History
DateUserTypeResult
2021-06-25Ben DeloCERT
PRP Certification
CERT proof power = 8
Proof certified good
2021-06-25Ben DeloC-PRP
439F2640087CFC58
PRP proof power = 8
PRP: Verified
Proof certified good
2021-06-23Alvin BunkNF-PM1
B1=753000, B2=21788000, E=6
2021-02-251997rj7NF
no factor from 2^75 to 2^76
2021-02-22lobsterfordinnerNF
no factor from 2^74 to 2^75
2020-04-01SRBaseNF
no factor from 2^73 to 2^74
2019-12-04CGHNF
no factor from 2^72 to 2^73
2014-12-29sebanNF
no factor from 2^71 to 2^72
2014-10-10shaugeNF
no factor from 2^70 to 2^71
2014-10-10shaugeNF
no factor from 2^69 to 2^70
2014-07-12C. van SomerenNF
no factor from 2^68 to 2^69
2014-07-11C. van SomerenNF
no factor from 2^67 to 2^68
2014-05-11Klaus NordmannNF
no factor from 2^66 to 2^67
2012-05-05ALSNF
no factor from 2^65 to 2^66
2010-08-27Mr-PlonkNF
no factor from 2^64 to 2^65
2010-04-18sasaki3NF
no factor from 2^63 to 2^64