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
61844641TF
No factors below 274
TF target 274
P-1
B1 = 585000
B2 = 11992500
LL
StatusDateUserResidueShift
Verified2013-08-19curtisc42145E4EB39C8FAF3533894
Verified2021-09-13Tsarev Yuriy42145E4EB39C8FAF32289000
History
DateUserTypeResult
2021-09-13Tsarev YuriyC-LL
42145E4EB39C8FAF
2016-03-04-Anonymous-NF
no factor from 2^73 to 2^74
2016-02-23Mark RoseNF
no factor from 2^62 to 2^63
2013-08-19curtiscC-LL
42145E4EB39C8FAF
2013-03-17TheJudgerNF-PM1
B1=585000, B2=11992500, E=6
2013-03-02kdgehmanNF
no factor from 2^72 to 2^73
2013-02-26Bill StaffenNF
no factor from 2^71 to 2^72
2012-11-19SMoffatNF
no factor from 2^70 to 2^71
2012-03-23GrunwalderGIMPNF
no factor from 2^69 to 2^70
2009-10-10Jason LynchNF
no factor from 2^68 to 2^69
2009-10-07Jason LynchNF
no factor from 2^67 to 2^68
2009-10-04Jason LynchNF
no factor from 2^66 to 2^67
2009-10-02Jason LynchNF
no factor from 2^65 to 2^66
2009-09-29Jason LynchNF
no factor from 2^64 to 2^65
2009-04-13SAHS Physics ClubNF
no factor from 2^63 to 2^64