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
42374041TF
No factors below 274
TF target 272
P-1
B1 = 380000
B2 = 1900000
LL
StatusDateUserResidueShift
Verified2009-04-23-Anonymous-BCF813D194F0AA6F12452022
Bad2016-04-28B8E230EAF6B9A42C9611929
Verified2016-09-07arnaudBCF813D194F0AA6F24719654
History
DateUserTypeResult
2020-01-04-Anonymous-NF
no factor from 2^73 to 2^74
2019-10-04-Anonymous-NF
no factor from 2^72 to 2^73
2016-09-07arnaudC-LL
BCF813D194F0AA6F
2016-04-28C-LL
B8E230EAF6B9A42C
2015-10-27AirSquirrelsNF
no factor from 2^71 to 2^72
2015-03-25Mark RoseNF
no factor from 2^70 to 2^71
2015-02-06chalsallNF
no factor from 2^69 to 2^70
2009-04-23-Anonymous-C-LL
BCF813D194F0AA6F