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
45727009Composite: proven not-prime with Lucas-Lehmer test
TF
No factors below 273
TF target 272
P-1
B1 = 640000
B2 = 640000
LL
StatusDateUserResidueShift
Verified2009-07-31curtisc27CF47DC1757ED1C32144857
Verified2018-10-04Remi Lucet27CF47DC1757ED1C21917767
History
DateUserTypeResult
2018-10-04Remi LucetC-LL
27CF47DC1757ED1C
2017-12-24-Anonymous-NF
no factor from 2^72 to 2^73
2015-10-23-Anonymous-NF
no factor from 2^71 to 2^72
2015-09-12GregNF
no factor from 2^70 to 2^71
2009-07-31curtiscC-LL
27CF47DC1757ED1C
2009-06-24curtiscNF-PM1
B1=640000