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
30583963Composite: proven not-prime with Lucas-Lehmer test
TF
No factors below 275
TF target 271
P-1
B1 = 2000000
B2 = 60000000
LL
StatusDateUserResidueShift
Verified2007-04-07John Sullivan6242EAA5894987C721819575
Verified2013-09-30kracker6242EAA5894987C70
History
DateUserTypeResult
2021-10-19Sid & AndyNF-PM1
B1=2000000, B2=60000000
2021-09-20Yves de WandelaarNF
no factor from 2^74 to 2^75
2020-04-14-Anonymous-NF
no factor from 2^73 to 2^74
2019-12-07-Anonymous-NF
no factor from 2^72 to 2^73
2019-12-07-Anonymous-NF
no factor from 2^71 to 2^72
2018-04-11ramgeisNF
no factor from 2^70 to 2^71
2013-09-30krackerC-LL
6242EAA5894987C7
2013-03-20tigreroarsNF
no factor from 2^69 to 2^70
2012-04-10bcp19NF
no factor from 2^68 to 2^69
2011-05-17UngelovendeNF
no factor from 2^67 to 2^68