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
27930719Composite: proven not-prime with Lucas-Lehmer test
TF
No factors below 273
TF target 270
P-1
B1 = 265000
B2 = 1325000
LL
StatusDateUserResidueShift
Verified2006-07-10Troy Bollinger7EB574151136A6E715311783
Verified2012-04-25S5307297EB574151136A6E718270320
History
DateUserTypeResult
2024-05-16James HeinrichNF
no factor from 2^68 to 2^69
2021-06-14Sid & AndyNF
no factor from 2^72 to 2^73
2021-06-05LaurVNF
no factor from 2^71 to 2^72
2021-04-04mikrNF
no factor from 2^70 to 2^71
2017-04-22ramgeisNF
no factor from 2^69 to 2^70
2012-04-25S530729C-LL
7EB574151136A6E7
2012-02-12Carsten KossendeyNF
no factor from 2^68 to 2^69
2011-08-30Carsten KossendeyNF
no factor from 2^67 to 2^68