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
42048031TF
No factors below 273
TF target 272
P-1
B1 = 435000
B2 = 3588750
LL
StatusDateUserResidueShift
Verified2008-10-15Darryl A. Linde9AA35877BCAA382123231822
Verified2016-02-13basey9AA35877BCAA38214219501
History
DateUserTypeResult
2020-04-26Random GPUsNF
no factor from 2^72 to 2^73
2016-02-13baseyC-LL
9AA35877BCAA3821
2015-08-26-Anonymous-NF
no factor from 2^71 to 2^72
2015-02-27Mark RoseNF
no factor from 2^70 to 2^71
2015-01-17chalsallNF
no factor from 2^69 to 2^70
2013-12-29bayanneNF
no factor from 2^68 to 2^69