Marin Mersenne 2^P-1
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Great Internet Mersenne Prime Search
GIMPS
Finding World Record Primes Since 1996

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Exponent Range:










MnStatusDetails
55900433TF
No factors below 274
TF target 273
P-1
B1 = 255000
B2 = 4462500
LL
StatusDateUserResidueShift
Bad2015-01-22C.D.B.464F75FEE3DED54F8243903
Verified2015-03-14Frank Roesel723B21EB1062FAC226045268
Verified2015-12-23Architects Cubed723B21EB1062FAC217925041
History
DateUserTypeResult
2015-12-23Architects CubedC-LL
723B21EB1062FAC2
2015-03-14Frank RoeselC-LL
723B21EB1062FAC2
2015-01-22C.D.B.C-LL
464F75FEE3DED54F
2014-08-17Mark RoseNF
no factor from 2^73 to 2^74
2014-03-01Bill StaffenNF
no factor from 2^72 to 2^73
2012-07-06hustensaftNF-PM1
B1=255000, B2=4462500
2012-06-17Jerry HallettNF
no factor from 2^71 to 2^72
2011-06-02kdgehmanNF
no factor from 2^70 to 2^71
2011-06-02kdgehmanNF
no factor from 2^69 to 2^70
2009-01-17sannerud.comNF
no factor to 2^69
2008-12-271997rj7NF
no factor from 2^63 to 2^64