Marin Mersenne 2^P-1
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Great Internet Mersenne Prime Search
GIMPS
Finding World Record Primes Since 1996

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Exponent Range:










MnStatusDetails
69728053Composite: proven not-prime with Lucas-Lehmer test
TF
No factors below 275
TF target 274
P-1
B1 = 730000
B2 = 17155000
LL
StatusDateUserResidueShift
Verified2016-10-23KYOJI_KAMEI6CE4E2F043519AB544572264
Verified2023-10-09Mirra6CE4E2F043519AB521939998
History
DateUserTypeResult
2023-10-09MirraC-LL
6CE4E2F043519AB5
2016-10-23KYOJI_KAMEIC-LL
6CE4E2F043519AB5
2016-06-07Judge HaleNF
no factor from 2^74 to 2^75
2014-06-14DevinNF
no factor from 2^73 to 2^74
2014-06-07BdotNF
no factor from 2^72 to 2^73
2014-03-20Oliver KruseNF-PM1
B1=730000, B2=17155000, E=12
2014-03-08garoNF
no factor from 2^71 to 2^72
2013-06-01JoDuNF
no factor from 2^70 to 2^71
2012-03-22Simon HarrisonNF
no factor from 2^69 to 2^70
2010-09-13mklschNF
no factor from 2^68 to 2^69
2010-05-06S00030NF
no factor from 2^67 to 2^68
2010-05-03Carlos "casep" SepulvedaNF
no factor from 2^66 to 2^67
2010-04-28-Anonymous-NF
no factor from 2^65 to 2^66
2010-02-18oemer54NF
no factor from 2^64 to 2^65