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
39637811No factors below 276
P-1
B1=1 500 000
B2=45 000 000
LL
StatusDateUserResidueShift
Bad2008-01-15C. Cooper / S. BooneE1AF9B73CC52C21420678443
Verified2016-05-18George Woltman82296AEA3280862B3844602
Verified2016-06-03AirSquirrels82296AEA3280862B135520
Assigned
AssignedUserWork TypeStage% DoneUpdatedExpired
2016-02-24-Anonymous-LL double-check0.0 % 2016-02-242016-04-04
2016-01-13-Anonymous-LL double-checkLL0.3 % 2016-01-142016-02-23
2015-12-03-Anonymous-LL double-check0.0 % 2015-12-032016-01-12
2015-10-23elhowellLL double-check0.0 % 2015-10-232015-12-02
2015-09-09-Anonymous-LL double-checkLL0.0 % 2015-09-122015-10-22
2015-07-30-Anonymous-LL double-check0.0 % 2015-07-302015-09-08
2015-06-06-Anonymous-LL double-checkLL0.4 % 2015-06-192015-07-29
2015-04-19-Anonymous-LL double-checkLL4.3 % 2015-04-262015-06-05
2015-03-05-Anonymous-LL double-checkLL0.5 % 2015-05-232015-04-18
2015-01-23-Anonymous-LL double-check0.0 % 2015-01-232015-03-04
History
DateUserTypeResult
2021-05-20-Anonymous-NFno factor from 2^75 to 2^76
2021-05-14-Anonymous-NFno factor from 2^74 to 2^75
2021-04-22Sid & AndyNF-PM1B1=1500000, B2=45000000
2020-02-14-Anonymous-NFno factor from 2^73 to 2^74
2019-10-12-Anonymous-NFno factor from 2^72 to 2^73
2019-07-25monstNFno factor from 2^71 to 2^72
2016-06-03AirSquirrelsC-LL82296AEA3280862B
2016-05-18George WoltmanC-LL82296AEA3280862B
2014-12-14XyzzyNFno factor from 2^70 to 2^71
2014-12-14XyzzyNFno factor from 2^69 to 2^70
2013-10-01Carsten KossendeyNFno factor from 2^68 to 2^69
2008-01-15curtiscC-LLE1AF9B73CC52C214
2007-08-14curtiscNF-PM1B1=635000
2006-10-24-Anonymous-NFno factor to 2^68
2002-02-17Jocelyn LaroucheNFno factor to 2^57
2001-01-28Jocelyn LaroucheNFno factor to 2^56