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
69176609Composite: proven not-prime with Lucas-Lehmer test
TF
No factors below 275
TF target 274
P-1
B1 = 710000
B2 = 15620000
LL
StatusDateUserResidueShift
Verified2015-11-27robjcarrollDB9EDAFBCD77650C1280751
Verified2024-05-21Dave ExtonDB9EDAFBCD77650C47808288
History
DateUserTypeResult
2024-05-21Dave ExtonC-LL
DB9EDAFBCD77650C
2016-03-30Mark RoseNF
no factor from 2^64 to 2^65
2016-03-29Mark RoseNF
no factor from 2^63 to 2^64
2015-11-27robjcarrollC-LL
DB9EDAFBCD77650C
2015-10-22dh1NF
no factor from 2^74 to 2^75
2015-02-14monstNF
no factor from 2^72 to 2^74
2014-01-26bamNF-PM1
B1=710000, B2=15620000
2014-01-15garoNF
no factor from 2^71 to 2^72
2012-08-07HighPriceRanchNF
no factor from 2^70 to 2^71
2012-04-26James RushworthNF
no factor from 2^69 to 2^70
2010-02-10Sturle SundeNF
no factor from 2^68 to 2^69
2010-02-07Sturle SundeNF
no factor from 2^67 to 2^68
2010-02-06GnorfeNF
no factor from 2^66 to 2^67
2008-06-09James HeinrichNF
no factor from 2^65 to 2^66