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
45115853Composite: proven not-prime with Lucas-Lehmer test
TF
No factors below 273
TF target 272
P-1
B1 = 525000
B2 = 9450000
LL
StatusDateUserResidueShift
Verified2010-06-03inelken75F274A7BFDE3DB235182925
Verified2010-09-09arnaud75F274A7BFDE3DB210864465
History
DateUserTypeResult
2018-06-21Robin89NF
no factor from 2^72 to 2^73
2015-10-19monstNF
no factor from 2^71 to 2^72
2015-10-19monstNF
no factor from 2^70 to 2^71
2015-08-10caddrNF
no factor from 2^69 to 2^70
2014-08-19NRNF
no factor from 2^68 to 2^69
2010-09-09arnaudC-LL
75F274A7BFDE3DB2
2010-06-03inelkenC-LL
75F274A7BFDE3DB2
2010-01-13inelkenNF-PM1
B1=525000, B2=9450000