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
55442879TF
No factors below 274
TF target 273
P-1
B1 = 550000
B2 = 11962500
LL
StatusDateUserResidueShift
Verified2014-09-20Kevin Jaget0A178D6C7B90E23838517917
Verified2020-01-28scl0A178D6C7B90E23817463315
History
DateUserTypeResult
2020-01-28sclC-LL
0A178D6C7B90E238
2016-02-23Mark RoseNF
no factor from 2^58 to 2^63
2014-09-20Kevin JagetC-LL
0A178D6C7B90E238
2014-08-05NickOfTimeNF
no factor from 2^73 to 2^74
2014-02-01Bill StaffenNF
no factor from 2^72 to 2^73
2012-04-09Torchwood InstituteNF-PM1
B1=550000, B2=11962500, E=12
2012-04-02GregNF
no factor from 2^71 to 2^72
2012-04-01GregNF
no factor from 2^70 to 2^71
2011-06-22oilwarzonedotcomNF
no factor from 2^69 to 2^70
2011-04-05lexatrefNF
no factor from 2^68 to 2^69
2009-05-15Sturle SundeNF
no factor from 2^67 to 2^68
2009-03-12Sturle SundeNF
no factor from 2^66 to 2^67
2009-01-10rickNF
no factor from 2^65 to 2^66
2009-01-06-Anonymous-NF
no factor from 2^64 to 2^65
2008-12-221997rj7NF
no factor from 2^63 to 2^64