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
160276937Composite: proven not-prime with PRP test
TF
No factors below 280
TF target 278
P-1
B1 = 5000000
B2 = 150000000
PRP
StatusDateUserResidueShiftTypeBase
Verified2020-11-14Roland ClarksonA82D4D4282771234013
History
DateUserTypeResult
2020-11-15curtiscCERT
PRP Certification
CERT proof power = 8
Proof certified good
2020-11-14Roland ClarksonC-PRP
A82D4D4282771234
PRP proof power = 8
PRP: Verified
Proof certified good
2020-11-10Roland ClarksonNF-PM1
B1=5000000, B2=150000000, E=6
2020-11-10Roland ClarksonNF
no factor from 2^79 to 2^80
2020-11-10Roland ClarksonNF
no factor from 2^78 to 2^79
2020-11-10Roland ClarksonNF
no factor from 2^77 to 2^78
2020-11-10Roland ClarksonNF
no factor from 2^76 to 2^77
2017-12-25Oliver KruseNF
no factor from 2^70 to 2^76
2017-12-03hpadirNF
no factor from 2^69 to 2^70
2017-03-21LasseDemigoNF
no factor from 2^68 to 2^69
2016-03-02XZTNF
no factor from 2^67 to 2^68
2015-05-02vwflat4NF
no factor from 2^66 to 2^67
2013-02-22sasaki3NF
no factor from 2^65 to 2^66
2011-02-02runeskNF
no factor from 2^64 to 2^65
2010-06-29Charles A. MorrisNF
no factor from 2^63 to 2^64