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
27970133Composite: proven not-prime with Lucas-Lehmer test
TF
No factors below 274
TF target 270
P-1
B1 = 602000
B2 = 32904000
LL
StatusDateUserResidueShift
Verified2005-03-20C. Cooper / S. BooneD43AB964AFC0C9E46558278
Verified2011-08-20jingfiredD43AB964AFC0C9E418767928
History
DateUserTypeResult
2021-06-24-Anonymous-NF
no factor from 2^73 to 2^74
2021-06-22Architects CubedNF-PM1
B1=602000, B2=32904000
2021-06-04LaurVNF
no factor from 2^72 to 2^73
2021-06-04LaurVNF
no factor from 2^71 to 2^72
2021-04-06mikrNF
no factor from 2^70 to 2^71
2017-12-23YxinityNF
no factor from 2^69 to 2^70
2017-12-23YxinityNF
no factor from 2^68 to 2^69
2011-08-20jingfiredC-LL
D43AB964AFC0C9E4
2011-08-11Carsten KossendeyNF
no factor from 2^67 to 2^68