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:
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MnStatusDetails
50015437No factors below 275
P-1
B1=560 000
B2=14 560 000
LL
StatusDateUserResidueShift
Bad2010-07-30Lelikoid2BC5F72A1CCFE9AC3264703
Verified2016-02-11Tom Womack2479B353AC1FA71942427186
Verified2016-09-19ATH2479B353AC1FA71925022421
Assigned
AssignedUserWork TypeStage% DoneUpdatedExpired
2016-02-11dragonbud20LL double-checkLL70.5 % 2016-09-202016-05-11
History
DateUserTypeResult
2017-02-18Bruno VictalNFno factor from 2^74 to 2^75
2016-09-19ATHC-LL2479B353AC1FA719
2016-09-01NoPolarBearsHereNFno factor from 2^73 to 2^74
2016-02-11Tom WomackC-LL2479B353AC1FA719
2015-10-29GregNFno factor from 2^72 to 2^73
2015-10-291997rj7NFno factor from 2^71 to 2^72
2015-10-24XZTNFno factor from 2^70 to 2^71
2010-07-30LelikoidC-LL2BC5F72A1CCFE9AC
2010-06-07LelikoidNF-PM1B1=560000, B2=14560000
2008-11-18ITSNFno factor to 2^70
2008-10-26ITSNFno factor to 2^70
2008-07-28-Anonymous-NFno factor to 2^64
2000-03-15-Anonymous-NFno factor to 2^60
2000-02-09-Anonymous-NFno factor to 2^54
1999-12-30-Anonymous-NFno factor to 2^53
1999-10-07-Anonymous-NFno factor to 2^53