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
31950697Composite: proven not-prime with Lucas-Lehmer test
TF
No factors below 275
TF target 271
P-1
B1 = 1000000
B2 = 30000000
LL
StatusDateUserResidueShift
Verified2006-04-14Ahmer AliCA298B3919D295EF12911172
Verified2014-03-27Architects CubedCA298B3919D295EF24714156
History
DateUserTypeResult
2021-10-04TheJudgerNF
no factor from 2^74 to 2^75
2021-08-18Sid & AndyNF-PM1
B1=1000000, B2=30000000
2020-04-09-Anonymous-NF
no factor from 2^73 to 2^74
2019-11-29-Anonymous-NF
no factor from 2^72 to 2^73
2019-11-29-Anonymous-NF
no factor from 2^71 to 2^72
2019-01-20ramgeisNF
no factor from 2^70 to 2^71
2014-03-27Architects CubedC-LL
CA298B3919D295EF
2013-04-21Bill StaffenNF
no factor from 2^69 to 2^70
2012-05-12bcp19NF
no factor from 2^68 to 2^69
2011-05-30UngelovendeNF
no factor from 2^67 to 2^68