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
58574533Composite: proven not-prime with Lucas-Lehmer test
TF
No factors below 274
TF target 273
P-1
B1 = 550000
B2 = 11275000
LL
StatusDateUserResidueShift
Verified2015-06-18William Wallace4366952B1145B0BA21096195
Verified2021-07-12AuspiciousLLama4366952B1145B0BA760046
History
DateUserTypeResult
2021-07-12AuspiciousLLamaC-LL
4366952B1145B0BA
2016-02-23Mark RoseNF
no factor from 2^60 to 2^63
2015-06-18William WallaceC-LL
4366952B1145B0BA
2015-01-27monstNF
no factor from 2^73 to 2^74
2012-11-11owftheevilNF-PM1
B1=550000, B2=11275000, E=12
2012-10-11BdotNF
no factor from 2^72 to 2^73
2012-07-08bcp19NF
no factor from 2^71 to 2^72
2011-10-07dmaineNF
no factor from 2^70 to 2^71
2011-05-09StoneGnomeNF
no factor from 2^69 to 2^70
2009-06-07David BarleyNF
no factor from 2^68 to 2^69
2009-04-04Sturle SundeNF
no factor from 2^67 to 2^68
2009-04-02werdwerdusNF
no factor from 2^66 to 2^67
2009-04-01-Anonymous-NF
no factor from 2^65 to 2^66
2009-03-28-Anonymous-NF
no factor from 2^64 to 2^65
2009-03-16arnaudNF
no factor from 2^63 to 2^64