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
22429261Composite: proven not-prime with Lucas-Lehmer test
TF
No factors below 275
TF target 269
P-1
B1 = 255000
B2 = 5036250
LL
StatusDateUserResidueShift
Bad2004-05-11Jeff SproulFE7DCB2E26E5717712166492
Verified2009-10-26gpulcini9F06EC80A78731E521970962
Verified2010-03-16GrunwalderGIMP9F06EC80A78731E54831347
History
DateUserTypeResult
2021-10-28TheJudgerNF
no factor from 2^74 to 2^75
2021-09-19TheJudgerNF
no factor from 2^73 to 2^74
2021-09-06TheJudgerNF
no factor from 2^72 to 2^73
2021-09-06TheJudgerNF
no factor from 2^71 to 2^72
2019-09-27-Anonymous-NF
no factor from 2^70 to 2^71
2017-05-14ramgeisNF
no factor from 2^69 to 2^70
2017-05-14ramgeisNF
no factor from 2^68 to 2^69
2017-05-04ramgeisNF
no factor from 2^67 to 2^68
2010-03-16GrunwalderGIMPC-LL
9F06EC80A78731E5
2009-10-26gpulciniC-LL
9F06EC80A78731E5