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
25001819Composite: proven not-prime with Lucas-Lehmer test
TF
No factors below 273
TF target 270
P-1
B1 = 295000
B2 = 6932500
LL
StatusDateUserResidueShift
Verified2005-10-18S2927432D9B4515D4C0E5742466891
Verified2011-04-09Reboot It2D9B4515D4C0E5744163025
History
DateUserTypeResult
2022-08-15Sid & AndyNF
no factor from 2^72 to 2^73
2022-08-15Sid & AndyNF
no factor from 2^71 to 2^72
2021-05-28mikrNF
no factor from 2^70 to 2^71
2017-03-15ramgeisNF
no factor from 2^69 to 2^70
2016-12-23Smok_bmv NF
no factor from 2^68 to 2^69
2015-12-18VictordeHollanderNF
no factor from 2^67 to 2^68
2011-04-09Reboot ItC-LL
2D9B4515D4C0E574