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
85274443Composite: proven not-prime with PRP test
TF
No factors below 276
TF target 275
P-1
B1 = 685000
B2 = 13528750
PRP
StatusDateUserResidueShiftTypeBase
Verified2018-05-16Massimo Cappelli (ik5pwa)D9666FD8C986F7C22099394613
Verified2022-09-18_p95holder_D9666FD8C986F7C24322852613
History
DateUserTypeResult
2022-09-18_p95holder_C-PRP
D9666FD8C986F7C2
PRP: Verified
PRP without proof (not generated)
2018-05-16Massimo Cappelli (ik5pwa)C-PRP
D9666FD8C986F7C2
PRP: Verified
PRP without proof (not generated)
2018-01-06Oliver KruseNF-PM1
B1=685000, B2=13528750, E=12
2017-08-25-Anonymous-NF
no factor from 2^75 to 2^76
2017-08-25-Anonymous-NF
no factor from 2^74 to 2^75
2017-04-29-Anonymous-NF
no factor from 2^73 to 2^74
2017-03-01Strolling JellyfishNF
no factor from 2^72 to 2^73
2014-09-17Quantum SingularityNF
no factor from 2^71 to 2^72
2014-09-17Quantum SingularityNF
no factor from 2^70 to 2^71
2014-03-18SMoffatNF
no factor from 2^69 to 2^70
2013-10-24wurkfurNF
no factor from 2^68 to 2^69
2013-06-20Six Blue BoxesNF
no factor from 2^67 to 2^68
2013-06-15Kelly LowderNF
no factor from 2^66 to 2^67
2013-04-29c10ck3rNF
no factor from 2^65 to 2^66
2010-11-25Architects CubedNF
no factor from 2^64 to 2^65